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CVE-2021-22986: F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2021-22986
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
F5 BIG-IP and BIG-IQ Centralized Management contain a remote code execution vulnerability in the iControl REST interface that allows unauthenticated attackers with network access to execute system commands, create or delete files, and disable services.

CSIRTS triage

vendor: F5product: BIG-IP and BIG-IQ Centralized ManagementRemote code execution
What
F5 BIG-IP and BIG-IQ Centralized Management contain a remote code execution vulnerability.
Who is affected
Unauthenticated attackers with network access can exploit this vulnerability.
Urgency
This critical vulnerability is actively exploited, requiring immediate remediation.
Action
Update to the latest version of F5 BIG-IP and BIG-IQ.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-22986

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-22986coverage & exploitation statusNVD · CVE.org

Recent advisories for F5 BIG-IP and

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CISA Known Exploited Vulnerabilities