CVE-2025-46265: f5 f5os - appliance Incorrect Authorization
CVSS: 8.8v3.1HighAnalyzed
Published 07-05-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-46265 is a high (CVSS 8.8) Incorrect Authorization vulnerability in f5 f5os - appliance. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31.6% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.39%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 07-05-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
On F5OS, an improper authorization vulnerability exists where remotely authenticated users (LDAP, RADIUS, TACACS+) may be authorized with higher privilege F5OS roles. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS metrics
4 scores · 2 sources · 2 versionsHigh 8.7Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesAll 2 agree
- NVDNIST8.7HighCVSS:4.0/AV:N/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
High 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.39%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
+0.02 pp
From 0.37% on 19-09-2026
19-09-202619-10-2026
EPSS score0.39%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
F54 products
- f5os - appliance≥ 1.7.0, < 1.8.0 | ≥ 1.5.1, < 1.5.2
- f5os - chassis≥ 1.6.0, < 1.8.0
- f5os-a1.5.1
- f5os-c≥ 1.6.0, ≤ 1.6.2
1 vendor · 4 products
References
1 links- my.f5.com/manage/s/article/K000139503Vendor Advisory