CVE-2025-20029: F5 BIG-IP · OS Command Injection
Affects F5 BIG-IPSource CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 7.1% chance of exploitation in 30 days – higher than 94% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 5 Feb 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| F5 BIG-IP | Affected
| Fixed in– |
AI-suggested
- Apply official patches from F5 as soon as they become available for the affected BIG-IP versions.
- Restrict access to the iControl REST API and TMOS Shell interfaces to trusted administrators only, using network segmentation, VPNs, or firewall rules.
- Enforce strong authentication mechanisms and monitor authentication logs for suspicious activity.
- Implement strict input validation and command filtering where possible in custom integrations interacting with BIG-IP management interfaces.
- Regularly audit and review BIG-IP configurations and access controls to minimize the attack surface.
- Employ intrusion detection and prevention systems to detect anomalous command execution attempts.
- Maintain up-to-date backups and incident response plans to enable rapid recovery in case of compromise.
- Consider deploying compensating controls such as multi-factor authentication and just-in-time access to reduce risk exposure.
Description
Command injection vulnerability exists in iControl REST and BIG-IP TMOS Shell (tmsh) save command, which may allow an authenticated attacker to execute arbitrary system commands. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.