BaseFortify

Publication date: 2025-10-15

Last updated on: 2025-10-21

Assigner: F5 Networks

Description

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-10-15

Last Modified

2025-10-21

Generated

2026-07-06

AI Q&A

2025-10-15

EPSS Evaluated

2026-07-05

NVD

CVE-2025-61955

Affected Vendors & Products

Vendor	Product	Version / Range
f5	f5os-a	From 1.5.1 (inc) to 1.5.4 (exc)
f5	f5os-a	1.8.0
f5	f5os-c	From 1.6.0 (inc) to 1.6.2 (inc)
f5	f5os-c	From 1.8.0 (inc) to 1.8.2 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-95	The product 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").

Attack-Flow Graph

Executive Summary

This vulnerability exists in F5OS-A and F5OS-C systems and allows an authenticated attacker with local access to escalate their privileges. This means that someone who already has some level of access to the system could exploit this flaw to gain higher-level permissions, potentially crossing security boundaries within the system.

Impact Analysis

The impact of this vulnerability is that an attacker with local authenticated access could escalate their privileges, potentially gaining control over more sensitive parts of the system. This could lead to unauthorized actions, data exposure, or disruption of services within the affected F5OS systems.

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