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Full vulnerability report · 2024
CVE-2024-21418High confidence

Software for Open Networking in the Cloud (SONiC) Elevation of Privilege Vulnerability

Microsoft · Software for Open Networking in the Cloud (SONiC)

7.8HighCVSS 3.1
Recommended action
Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityHighOperational priority:Medium, lowered one band.downgradedsince 3 May 2025

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • Exploitation requires an existing local or physical foothold with privileges.
  • EPSS is 0.73% for the current model date.

Compensating controls

  • 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 Microsoft Software for Open Networking in the Cloud (SONiC) and falls inside the recorded affected range.
  2. Recheck the vendor advisory before scheduling a change because no verified fixed version is currently retained.
  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: As exposure requiresRemediation target: Within 365 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.

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-2024-19127

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 actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
01

What, why and how

Software for Open Networking in the Cloud (SONiC) Elevation of Privilege Vulnerability

What

Software for Open Networking in the Cloud (SONiC) Elevation of Privilege Vulnerability

Why

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may gain additional privileges.

What

Software for Open Networking in the Cloud (SONiC) Elevation of Privilege Vulnerability

Why

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may gain additional privileges.

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 Access Control → gain additional privileges
Attack surface
Local
Privileges required
Low: a basic authenticated account is required
User interaction
None
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-284 ↗

CWE-284: Improper Access Control. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

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:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

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.PRLowPrivileges required: The attacker needs basic user-level privileges.UINoneUser interaction: No action by another user is required.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.
Privilege escalationCWE-284
A

Official authority intelligence

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

BSI · German · WID-SEC-2024-0612Microsoft Azure: Mehrere Schwachstellen

Ein entfernter, anonymer oder lokaler Angreifer kann mehrere Schwachstellen in Microsoft Azure ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code auszuführen und Informationen falsch darzustellen.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20240313Security Bulletin 13 Mar 2024

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 13 Mar 2024, published on 13 March 2024. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0208Multiples vulnérabilités dans les produits Microsoft

De multiples vulnérabilités ont été découvertes dans les produits Microsoft . Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une atteinte à la confidentialité des données et une élévation de privilèges.

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2024-015583Linux Foundation の software for open networking in the cloud における脆弱性

Linux Foundation の software for open networking in the cloud には、不特定の脆弱性が存在します。

Official advisory ↗
KISA KrCERT/CC · Korean · KNVD-6135MS 3월 보안 위협에 따른 정기 보안 업데이트 권고

무결성) 보안 기능 우회 취약성 | | Windows USB Serial Driver | CVE-2024-21430 | Windows UAS(USB Attached SCSI) 프로토콜 원격 코드 실행 취약성 | | Windows USB Hub Driver | CVE-2024-21429 | Windows USB Hub 드라이버 원격 코드 실행 취약성 | | Windows Kerberos | CVE-2024-21427 | Windows Kerberos 보안 기능 바이패스 취약성 | | Microsoft Office SharePoint | CVE-2024-21426 | Microsoft SharePoint Server 원격 코드 실행 취약성 | | Microsoft Edge (Chromium-based) | CVE-2024-21423 | Microsoft Edge(Chromium 기반) 정보 공개 취약성 | | Azure SDK | CVE-2024-21421 | Azure SDK 스푸핑 취약성 | | Microsoft Dynamics | CVE-2024-21419 | Microsoft Dynamics 365(온-프레미스) 교차-사이트 스크립팅 취약성 | | Software for Open Networking in the Cloud (SONiC) | CVE-2024-21418 | SONiC(Software for Open Networking in the Cloud) 권한 상승 취약성 | | Internet Shortcut Files | CVE-2024-21412 | 인터넷 바로가기 파일 보안 기능 바이패스 취약성 | | Skype for Consumer | CVE-2024-21411 | 소비자용 Skype 원격 코드 실행 취약성 | | Microsoft Exchange Server | CVE-2024-21410 | Microsoft Exchange Server 권한 상승 취약성 | | Role: Windows Hyper-V | CVE-2024-21408 | Windows Hyper-V 서비스 거부 취약성 | | Role: Windows Hyper-V | CVE-2024-21407 | Windows Hyper-V 원격 코드 실행 취약성 | | Microsoft Azure Kubernetes Service | CVE-2024-21400 | Microsoft Azure Kubernetes Service Confidential Container 권한 상승 취약성 | | .NET | CVE-2024-21392 | .NET 및 Visual Studio 서비스 거부 취약성 | | Microsoft Authenticator | C

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 not verified
Affected
Software for Open Networking in the Cloud (SONiC): 1.0.0 < 20220531.26
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
No verified patch reference is present in the current structured sources. Check the vendor advisory before making a change.
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 12 Mar 2024 · Last source change 3 May 2025, 00:46 UTC · CWE-284 · Improper Access Control

CVE recordCVE.org · 5.1
CVSS sourceCNA
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-2024-19127
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceOther authority
NVD statusNVD enriched

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates ↗

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
ENISA EUVD · EUVD-2024-19127↗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-2024-21418 · cve.blacktree.nl