Priv Esc in F5OS-A/C via Local Auth Access
CVE-2025-61955 Published on October 15, 2025
F5OS vulnerability
A vulnerability exists in F5OS-A and F5OS-C systems that may allow an authenticated attacker with local access to escalate their privileges. A successful exploit may allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Vulnerability Analysis
CVE-2025-61955 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is an Eval Injection Vulnerability?
The software receives input from an upstream component, but it does not neutralize or incorrectly neutralizes code syntax before using the input in a dynamic evaluation call (e.g. "eval"). This may allow an attacker to execute arbitrary code, or at least modify what code can be executed.
CVE-2025-61955 has been classified to as an Eval Injection vulnerability or weakness.
Products Associated with CVE-2025-61955
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Affected Versions
F5OS - Appliance:- Version 1.8.0 and below 1.8.3 is affected.
- Version 1.5.0 and below 1.5.4 is affected.
- Version 1.8.0 and below 1.8.2 is affected.
- Version 1.6.0 and below 1.6.4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.