Which versions of F5 BIG-IP are affected by CVE-2026-42924?

CVE-2026-42924 is a high-severity privilege escalation in F5 BIG-IP that allows authenticated administrators to execute arbitrary OS commands through malicious SNMP configuration objects, enabling…. A patch is available.

How to fix or mitigate CVE-2026-42924?

Within 24 hours: Identify all F5 BIG-IP systems in your environment and obtain current software inventory by version. Within 7 days: Apply vendor-released patch to all affected BIG-IP instances; consult F5 security advisory for specific version remediation paths. Within 30 days: Audit SNMP configuration objects created in past 90 days and review iControl SOAP API access logs for administrative account anomalies; implement API access controls limiting administrative SOAP interactions to principle of least privilege.

F5 BIG-IP CVE-2026-42924

Q: What is the CVSS score of CVE-2026-42924?

CVE-2026-42924 has a CVSS 4.0 base score of 8.5 (High). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

EUVD-2026-30005 HIGH

OS Command Injection (CWE-78)

2026-05-13 f5

GHSA-j4g2-pcp5-j4pp

Privilege Escalation Command Injection

8.5

CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Lifecycle Timeline

Re-analysis Queued

May 13, 2026 - 16:22 vuln.today

cvss_changed

CVSS changed

May 13, 2026 - 16:22 NVD

8.7 (HIGH) 8.5 (HIGH)

Analysis Generated

May 13, 2026 - 15:48 vuln.today

CVE Published

May 13, 2026 - 14:12 nvd

HIGH 8.7

DescriptionNVD

An authenticated attacker with the Resource Administrator or Administrator role can create SNMP configuration objects through iControl SOAP resulting in privilege escalation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

AnalysisAI

Privilege escalation in F5 BIG-IP allows authenticated Resource Administrators or Administrators to execute arbitrary OS commands by creating malicious SNMP configuration objects via the legacy iControl SOAP API. Attackers with high-level administrative credentials can break out of their role constraints to gain full system control. …

RemediationAI

Within 24 hours: Identify all F5 BIG-IP systems in your environment and obtain current software inventory by version. Within 7 days: Apply vendor-released patch to all affected BIG-IP instances; consult F5 security advisory for specific version remediation paths. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

CVE-2026-42924 vulnerability details – vuln.today

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F5 BIG-IP CVE-2026-42924

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Lifecycle Timeline

DescriptionNVD

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F5 BIG-IP CVE-2026-42924

CVSS VectorNVD

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External POC / Exploit Code