PT-2025-20310 · F5 · F5Os-C/A

Published 2025-05-07 · Updated 2025-05-09 · CVE-2025-43878

Positive Technologies (AI Summary)

CVSS v4.0

8.3

High

Base vector

AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/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

Name of the Vulnerable Software and Affected Versions F5OS-C/A (affected versions not specified)

Description The issue allows an authenticated attacker with the Administrator or Resource Administrator role to bypass Appliance mode restrictions on a F5OS-C/A system when running in Appliance mode. This can be achieved by utilizing the system diagnostics tcpdump command utility.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-149

CWE-1286

Related Identifiers

CVE-2025-43878

Affected Products

F5Os-C/A

References · 7

• https://my.f5.com/manage/s/article/K000139502 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-43878 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-43878 · Security Note
• https://twitter.com/CVEnew/status/1920246381165338789 · Twitter Post
• https://twitter.com/CveFindCom/status/1920752139699196298 · Twitter Post
• https://t.me/cvetracker/23312 · Telegram Post
• https://t.me/cvedetector/24771 · Telegram Post