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Full vulnerability report · 2015
CVE-2015-8214High confidence

A vulnerability has been identified in SIMATIC NET CP 342-5 (incl

Unknown · Unknown

Official source article: Siemens SSA-763427 ↗. Check the applicable product and release in the original source.

9.7HighCVSS 2.0
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 28 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 2.09% 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 28 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

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-763427 · CSAF 2.0 · revision 7 · interimSiemens ProductCERTSSA-763427: Authentication Bypass Vulnerability in SIMATIC CP and TIM Devices
28 known affected

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

  • SIMATIC CP 342-5 (6GK7342-5DA02-0XE0)
  • SIMATIC CP 342-5 (6GK7342-5DA03-0XE0)
  • SIMATIC CP 342-5 FO (6GK7342-5DF00-0XE0)
  • SIMATIC CP 343-1 (6GK7343-1EX30-0XE0)
  • SIMATIC CP 343-1 Advanced (6GK7343-1GX31-0XE0)
  • SIMATIC CP 343-1 Lean (6GK7343-1CX10-0XE0)
  • SIMATIC CP 443-1 (6GK7443-1EX30-0XE0)
  • SIMATIC CP 443-1 (6GK7443-1EX30-0XE1)
  • SIMATIC CP 443-1 Advanced (6GK7443-1GX30-0XE0)
  • SIMATIC CP 443-5 Basic (6GK7443-5FX02-0XE0)
  • SIMATIC CP 443-5 Extended (6GK7443-5DX05-0XE0)
  • SIMATIC CP 443-5 Extended (6GK7443-5DX05-0XE1)
Summary
The implemented access protection level enforcement of the affected communication processors (CP) could possibly allow unauthenticated users to perform administrative operations on the CPs if network access (port 102/TCP) is available and the CPs' configuration was stored on their corresponding CPUs.
Remediation
Update to V2.6 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-2015-8103

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 28 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

A vulnerability has been identified in SIMATIC NET CP 342-5 (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions < V3.0.44), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions < V3.1.1), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions < V3.1.1), SIMATIC NET CP 443-1 Advanced (incl. SIPLUS variants) (All versions < V3.2.9), SIMATIC NET CP 443-1 Standard (incl. SIPLUS variants) (All versions < V3.2.9), SIMATIC NET CP 443-5 Basic (incl. SIPLUS variants) (All versions), SIMATIC NET CP 443-5 Extended (All versions), TIM 3V-IE / TIM 3V-IE Advanced (incl. SIPLUS NET variants) (All versions < V2.6.0), TIM 3V-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.1.0), TIM 4R-IE (incl. SIPLUS NET variants) (All versions < V2.6.0), TIM 4R-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.1.0). The implemented access protection level enforcement of the affected communication processors (CP) could possibly allow unauthenticated users to perform administrative operations on the CPs if network access (port 102/TCP) is available and the CPs' configuration was stored on their corresponding CPUs.

What

A vulnerability has been identified in SIMATIC NET CP 342-5 (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions < V3.0.44), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions < V3.1.1), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions < V3.1.1), SIMATIC NET CP 443-1 Advanced (incl. SIPLUS variants) (All versions < V3.2.9), SIMATIC NET CP 443-1 Standard (incl. SIPLUS variants) (All versions < V3.2.9), SIMATIC NET CP 443-5 Basic (incl. SIPLUS variants) (All versions), SIMATIC NET CP 443-5 Extended (All versions), TIM 3V-IE / TIM 3V-IE Advanced (incl. SIPLUS NET variants) (All versions < V2.6.0), TIM 3V-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.1.0), TIM 4R-IE (incl. SIPLUS NET variants) (All versions < V2.6.0), TIM 4R-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.1.0). The implemented access protection level enforcement of the affected communication processors (CP) could possibly allow unauthenticated users to perform administrative operations on the CPs if network access (port 102/TCP) is available and the CPs' configuration was stored on their corresponding CPUs.

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through the affected interface may attempt exploitation when the stated preconditions are met. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

A vulnerability has been identified in SIMATIC NET CP 342-5 (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions < V3.0.44), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions < V3.1.1), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions < V3.1.1), SIMATIC NET CP 443-1 Advanced (incl. SIPLUS variants) (All versions < V3.2.9), SIMATIC NET CP 443-1 Standard (incl. SIPLUS variants) (All versions < V3.2.9), SIMATIC NET CP 443-5 Basic (incl. SIPLUS variants) (All versions), SIMATIC NET CP 443-5 Extended (All versions), TIM 3V-IE / TIM 3V-IE Advanced (incl. SIPLUS NET variants) (All versions < V2.6.0), TIM 3V-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.1.0), TIM 4R-IE (incl. SIPLUS NET variants) (All versions < V2.6.0), TIM 4R-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.1.0). The implemented access protection level enforcement of the affected communication processors (CP) could possibly allow unauthenticated users to perform administrative operations on the CPs if network access (port 102/TCP) is available and the CPs' configuration was stored on their corresponding CPUs.

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through the affected interface may attempt exploitation when the stated preconditions are met. 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
the affected interface → vulnerable operation → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface
Unspecified
Privileges required
None: unauthenticated exploitation is possible
User interaction
Not stated in the selected CVSS metric
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Not stated in the selected CVSS metric
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-264 ↗

CWE-264. Open the MITRE definition for the exact weakness description.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
AV:N/AC:L/Au:N/C:P/I:C/A:C
Post-exploitation / living off the land
No specific living-off-the-land technique is confirmed in the structured sources. Monitor normal administration tools for activity inconsistent with the affected service's baseline.
UnauthenticatedCWE-264
A

Official authority intelligence

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

CERT-FR · French · CERTFR-2021-AVI-255Multiples vulnérabilités dans les produits Siemens

.cve.org/CVERecord?id=CVE-2015-5219 Référence CVE CVE-2015-7705 https://www.cve.org/CVERecord?id=CVE-2015-7705 Référence CVE CVE-2015-7855 https://www.cve.org/CVERecord?id=CVE-2015-7855 Référence CVE CVE-2015-7871 https://www.cve.org/CVERecord?id=CVE-2015-7871 Référence CVE CVE-2015-7973 https://www.cve.org/CVERecord?id=CVE-2015-7973 Référence CVE CVE-2015-7974 https://www.cve.org/CVERecord?id=CVE-2015-7974 Référence CVE CVE-2015-7977 https://www.cve.org/CVERecord?id=CVE-2015-7977 Référence CVE CVE-2015-7979 https://www.cve.org/CVERecord?id=CVE-2015-7979 Référence CVE CVE-2015-8138 https://www.cve.org/CVERecord?id=CVE-2015-8138 Référence CVE CVE-2015-8214 https://www.cve.org/CVERecord?id=CVE-2015-8214 Référence CVE CVE-2016-1547 https://www.cve.org/CVERecord?id=CVE-2016-1547 Référence CVE CVE-2016-1548 https://www.cve.org/CVERecord?id=CVE-2016-1548 Référence CVE CVE-2016-1550 https://www.cve.org/CVERecord?id=CVE-2016-1550 Référence CVE CVE-2016-4953 https://www.cve.org/CVERecord?id=CVE-2016-4953 Référence CVE CVE-2016-4954 https://www.cve.org/CVERecord?id=CVE-2016-4954 Référence CVE CVE-2019-18339 https://www.cve.org/CVERecord?id=CVE-2019-18339 Référence CVE CVE-2019-18340 https://www.cve.org/CVERecord?id=CVE-2019-18340 Référence CVE CVE-2019-19291 https://www.cve.org/CVERecord?id=CVE-2019-19

Official advisory ↗
CERT-FR · French · CERTFR-2020-AVI-077Multiples vulnérabilités dans les produits Siemens de variante SIPLUS

.cve.org/CVERecord?id=CVE-2014-2258 Référence CVE CVE-2014-2259 https://www.cve.org/CVERecord?id=CVE-2014-2259 Référence CVE CVE-2014-2908 https://www.cve.org/CVERecord?id=CVE-2014-2908 Référence CVE CVE-2014-2909 https://www.cve.org/CVERecord?id=CVE-2014-2909 Référence CVE CVE-2014-8478 https://www.cve.org/CVERecord?id=CVE-2014-8478 Référence CVE CVE-2014-8479 https://www.cve.org/CVERecord?id=CVE-2014-8479 Référence CVE CVE-2015-1048 https://www.cve.org/CVERecord?id=CVE-2015-1048 Référence CVE CVE-2015-2177 https://www.cve.org/CVERecord?id=CVE-2015-2177 Référence CVE CVE-2015-5698 https://www.cve.org/CVERecord?id=CVE-2015-5698 Référence CVE CVE-2015-8214 https://www.cve.org/CVERecord?id=CVE-2015-8214 Référence CVE CVE-2016-2200 https://www.cve.org/CVERecord?id=CVE-2016-2200 Référence CVE CVE-2016-2201 https://www.cve.org/CVERecord?id=CVE-2016-2201 Référence CVE CVE-2016-2846 https://www.cve.org/CVERecord?id=CVE-2016-2846 Référence CVE CVE-2016-3949 https://www.cve.org/CVERecord?id=CVE-2016-3949 Référence CVE CVE-2016-8561 https://www.cve.org/CVERecord?id=CVE-2016-8561 Référence CVE CVE-2016-8562 https://www.cve.org/CVERecord?id=CVE-2016-8562 Référence CVE CVE-2017-12741 https://www.cve.org/CVERecord?id=CVE-2017-12741 Référence CVE CVE-2017-2680 https://www.cve.org/CVERecord?id=CVE-2017-2680

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2015-006055Siemens SIMATIC の複数のデバイスにおける管理アクセス権を取得される脆弱性

Siemens SIMATIC の複数のデバイスには、管理アクセス権を取得される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 27 Nov 2015 · Last source change 6 Aug 2024, 08:13 UTC · CWE-264

CVE recordCVE.org · 5.1
CVSS sourceNIST NVD
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-09-01
European sourceENISA EUVD · EUVD-2015-8103
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. ENISA EUVD mappingEUVD-2015-8103 was added to the official ENISA EUVD mapping for this CVE.
    Before
    not recorded
    After
    {"euvdId":"EUVD-2015-8103"}
    ENISA EUVD ↗
  2. Remediation statusRemediation status changed from Awaiting fix to Mitigation available.
    Before
    Awaiting fix
    After
    Mitigation available
    Siemens ProductCERT ↗
  3. Vendor guidanceAuthoritative vendor guidance changed: added vendor advisory: siemens.com/siemens_security_advisory_ssa-763427.pdf.
    Before
    no authoritative guidance recorded
    After
    vendor advisory: siemens.com/siemens_security_advisory_ssa-763427.pdf
    siemens.com ↗
  4. SeveritySeverity changed from Unknown to High.
    Before
    Unknown
    After
    High
    NIST NVD ↗
  5. CVSS scoreCVSS score changed from not recorded to 9.7 (CVSS 2.0 · NIST NVD · AV:N/AC:L/Au:N/C:P/I:C/A:C).
    Before
    not recorded
    After
    9.7 (CVSS 2.0 · NIST NVD · AV:N/AC:L/Au:N/C:P/I:C/A:C)
    NIST NVD ↗
  6. Catalogue recordCVE added to the BlackTree catalogue.
    CNA ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Remediation guidance recorded
ENISA EUVD · EUVD-2015-8103↗Siemens ProductCERT security advisory · Siemens SSA-763427↗Vendor advisory↗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-2015-8214 · cve.blacktree.nl