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Full vulnerability report · 2023
CVE-2023-39810High confidence

An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal

Unknown · Unknown

Official source article: Siemens SSA-089022 ↗. Check the applicable product and release in the original source.

7.8HighCVSS 3.1
Recommended action
Patch only the product branches with a verified fix

High technical severity; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 18 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:High, unchanged from published severity.unchanged

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • EPSS is 0.77% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict local access and enforce least privilege on affected hosts.
  • Monitor vendor guidance and exploitation sources for a material change.

Verification

  1. Confirm that the asset runs Unknown Unknown and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: Within 30 daysRemediation target: Within 180 days

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Cross-source reconciliation

Remediation availability differs by product scope

Verified remediation exists for at least one product or source, but 18 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Distribution package intelligence

Release-specific package status

Debian, ubuntu findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.

5 package states
Package result overrides the generic status

BlackTree has verified remediation for at least one product or source, but the relevant distribution still reports no fixed package for 2 affected package states shown here. Treat those rows as affected with no fix until that distribution publishes a fixed version.

Repository candidate not checked

A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.

Distribution releaseSource packageVendor stateFixed versionEvidence
Debian trixietrixie · sourcebusyboxAffected, no fix publishedDebian currently tracks this release as open.Not published in this feedDebian Security Tracker ↗Source updated 5 Oct 2026
Debian bookwormbookworm · sourcebusyboxAffected, no fix publishedDebian currently tracks this release as open.Not published in this feedDebian Security Tracker ↗Source updated 5 Oct 2026
Debian forkyforky · sourcebusyboxVendor fix publishedDebian records a fixed source-package version for this release.1:1.37.0-7Debian Security Tracker ↗Source updated 5 Oct 2026
Debian sidsid · sourcebusyboxVendor fix publishedDebian records a fixed source-package version for this release.1:1.37.0-7Debian Security Tracker ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivebusyboxUnder evaluationCanonical reports that the package might be affected and still needs evaluation or fixing.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Direct vendor intelligence

Authoritative vendor CSAF and VEX advisories

Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.

1 current
SSA-089022 · CSAF 2.0 · revision 2 · interimSiemens ProductCERTSSA-089022: Multiple Vulnerabilities in Third-Party Components in SINEC OS before V3.3
16 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • RUGGEDCOM RST2428P (6GK6242-6PA00)
  • SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family
  • SCALANCE XCH328 (6GK5328-4TS01-2EC2)
  • SCALANCE XCM324 (6GK5324-8TS01-2AC2)
  • SCALANCE XCM328 (6GK5328-4TS01-2AC2)
  • SCALANCE XCM332 (6GK5332-0GA01-2AC2)
  • SCALANCE XRH334 (24 V DC, 8xFO, CC) (6GK5334-2TS01-2ER3)
  • SCALANCE XRM334 (230 V AC, 12xFO) (6GK5334-3TS01-3AR3)
  • SCALANCE XRM334 (230 V AC, 8xFO) (6GK5334-2TS01-3AR3)
  • SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-3AR3)
  • SCALANCE XRM334 (24 V DC, 12xFO) (6GK5334-3TS01-2AR3)
  • SCALANCE XRM334 (24 V DC, 8xFO) (6GK5334-2TS01-2AR3)
Summary
An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.
Remediation
Update to V3.3 or later version
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2023-43510

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionPatch only the product branches with a verified fix

High technical severity; prioritise exposed affected systems while verifying vendor guidance. Verified remediation exists for at least one product or source, but 18 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
01

What, why and how

An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.

What

An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.

Why

Attacker-controlled path data is not constrained to the intended directory before the application accesses a file.

How

An attacker operating through local access may attempt exploitation without authentication after a user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.

Why

Attacker-controlled path data is not constrained to the intended directory before the application accesses a file.

How

An attacker operating through local access may attempt exploitation without authentication after a user interaction. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
local access → Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface
Local
Privileges required
None: unauthenticated exploitation is possible
User interaction
Required interaction required
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-22 ↗

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'). The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVLocalAttack vector: The attacker needs local access to the vulnerable system.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRNonePrivileges required: The attacker does not need an account or existing privileges.UIRequiredUser interaction: Another user must perform an action for exploitation to succeed.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
The issue can support a local privilege or sandbox boundary transition; normal system utilities may then be available in the gained context.
UnauthenticatedCWE-22
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

BSI · German · WID-SEC-2023-2189BusyBox: Schwachstelle ermöglicht Manipulation von Dateien

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in BusyBox ausnutzen, um Dateien zu manipulieren.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20230830Security Bulletin 30 Aug 2023

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 30 Aug 2023, published on 30 August 2023. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0218Multiples vulnérabilités dans les produits VMware

rd?id=CVE-2023-3618 Référence CVE CVE-2023-36632 https://www.cve.org/CVERecord?id=CVE-2023-36632 Référence CVE CVE-2023-36660 https://www.cve.org/CVERecord?id=CVE-2023-36660 Référence CVE CVE-2023-37369 https://www.cve.org/CVERecord?id=CVE-2023-37369 Référence CVE CVE-2023-38197 https://www.cve.org/CVERecord?id=CVE-2023-38197 Référence CVE CVE-2023-38545 https://www.cve.org/CVERecord?id=CVE-2023-38545 Référence CVE CVE-2023-38546 https://www.cve.org/CVERecord?id=CVE-2023-38546 Référence CVE CVE-2023-39615 https://www.cve.org/CVERecord?id=CVE-2023-39615 Référence CVE CVE-2023-39804 https://www.cve.org/CVERecord?id=CVE-2023-39804 Référence CVE CVE-2023-39810 https://www.cve.org/CVERecord?id=CVE-2023-39810 Référence CVE CVE-2023-40403 https://www.cve.org/CVERecord?id=CVE-2023-40403 Référence CVE CVE-2023-40745 https://www.cve.org/CVERecord?id=CVE-2023-40745 Référence CVE CVE-2023-41175 https://www.cve.org/CVERecord?id=CVE-2023-41175 Référence CVE CVE-2023-4156 https://www.cve.org/CVERecord?id=CVE-2023-4156 Référence CVE CVE-2023-42366 https://www.cve.org/CVERecord?id=CVE-2023-42366 Référence CVE CVE-2023-4527 https://www.cve.org/CVERecord?id=CVE-2023-4527 Référence CVE CVE-2023-45322 https://www.cve.org/CVERecord?id=CVE-2023-45322 Référence CVE CVE-2023-45803 https://www.cve.org/CVERecord?id=CVE-

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0101Multiples vulnérabilités dans les produits Siemens

) (6GK5334-5TS01-4AR3) versions antérieures à 3.3 Résumé De multiples vulnérabilités ont été découvertes dans les produits Siemens. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une élévation de privilèges et un déni de service à distance. Solutions Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation). Documentation Bulletin de sécurité Siemens SSA-089022 du 28 janvier 2026 https://cert-portal.siemens.com/productcert/html/ssa-089022.html Référence CVE CVE-2022-48174 https://www.cve.org/CVERecord?id=CVE-2022-48174 Référence CVE CVE-2023-39810 https://www.cve.org/CVERecord?id=CVE-2023-39810 Référence CVE CVE-2023-42363 https://www.cve.org/CVERecord?id=CVE-2023-42363 Référence CVE CVE-2023-42364 https://www.cve.org/CVERecord?id=CVE-2023-42364 Référence CVE CVE-2023-42365 https://www.cve.org/CVERecord?id=CVE-2023-42365 Référence CVE CVE-2023-42366 https://www.cve.org/CVERecord?id=CVE-2023-42366 Référence CVE CVE-2023-7256 https://www.cve.org/CVERecord?id=CVE-2023-7256 Référence CVE CVE-2024-11053 https://www.cve.org/CVERecord?id=CVE-2024-11053 Référence CVE CVE-2024-12718 https://www.cve.org/CVERecord?id=CVE-2024-12718 Référence CVE CVE-2024-41996 https://www.cve.org/CVERecord?id=CV

Official advisory ↗
CERT-FR · French · CERTFR-2025-AVI-0756Multiples vulnérabilités dans les produits VMware

ord?id=CVE-2023-35116 Référence CVE CVE-2023-36054 https://www.cve.org/CVERecord?id=CVE-2023-36054 Référence CVE CVE-2023-36632 https://www.cve.org/CVERecord?id=CVE-2023-36632 Référence CVE CVE-2023-37769 https://www.cve.org/CVERecord?id=CVE-2023-37769 Référence CVE CVE-2023-38546 https://www.cve.org/CVERecord?id=CVE-2023-38546 Référence CVE CVE-2023-39017 https://www.cve.org/CVERecord?id=CVE-2023-39017 Référence CVE CVE-2023-39325 https://www.cve.org/CVERecord?id=CVE-2023-39325 Référence CVE CVE-2023-39615 https://www.cve.org/CVERecord?id=CVE-2023-39615 Référence CVE CVE-2023-3978 https://www.cve.org/CVERecord?id=CVE-2023-3978 Référence CVE CVE-2023-39810 https://www.cve.org/CVERecord?id=CVE-2023-39810 Référence CVE CVE-2023-4016 https://www.cve.org/CVERecord?id=CVE-2023-4016 Référence CVE CVE-2023-40217 https://www.cve.org/CVERecord?id=CVE-2023-40217 Référence CVE CVE-2023-4039 https://www.cve.org/CVERecord?id=CVE-2023-4039 Référence CVE CVE-2023-40403 https://www.cve.org/CVERecord?id=CVE-2023-40403 Référence CVE CVE-2023-4156 https://www.cve.org/CVERecord?id=CVE-2023-4156 Référence CVE CVE-2023-42366 https://www.cve.org/CVERecord?id=CVE-2023-42366 Référence CVE CVE-2023-4320 https://www.cve.org/CVERecord?id=CVE-2023-4320 Référence CVE CVE-2023-43785 https://www.cve.org/CVERecord?id=CVE-2023

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2023-011594BusyBox におけるパストラバーサルの脆弱性

BusyBox には、パストラバーサルの脆弱性が存在します。

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix availability varies by product
Affected
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
Use the product-specific evidence above. Patch only products with a verified fixed release, and keep every affected or under-investigation state without a matching fix in the remediation queue.
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 28 Aug 2023 · Last source change 9 Jul 2026, 00:27 UTC · CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVE recordCVE.org · 5.2
CVSS sourceNIST NVD
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2023-43510
Product sourceVendor CSAF · Siemens ProductCERT
Remediation sourceVendor CSAF · Siemens ProductCERT
CWE sourceNIST NVD
NVD statusNVD modified after enrichment

Missing structured fields: affected product. Missing data is not evidence of low risk; review the primary advisory.

Material change intelligence

What changed after publication

View recent updates ↗
  1. Remediation statusRemediation status changed from Awaiting fix to Mitigation available.
    Before
    Awaiting fix
    After
    Mitigation available
    Siemens ProductCERT ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Remediation guidance recorded
ENISA EUVD · EUVD-2023-43510↗Siemens ProductCERT security advisory · Siemens SSA-089022↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2023-39810 · cve.blacktree.nl