Cyber Resilience

CVE-2025-61955

High

Published: 15 October 2025

Published
15 October 2025
Modified
21 October 2025
KEV Added
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Patch
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CVSS Score v4 8.5 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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 Score 0.0003 10.2th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-61955 is a high-severity Eval Injection (CWE-95) vulnerability in F5 F5Os-A. Its CVSS base score is 8.5 (High).

Operationally, ranked at the 10.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

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of Technical Support (EoTS) are not evaluated.

CWE(s)
CWE-95

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

f5
f5os-a
1.8.0 · 1.5.1 — 1.5.4
f5
f5os-c
1.6.0 — 1.6.2 · 1.8.0 — 1.8.2

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References