CVE-2021-23002 json
When using BIG-IP APM 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, or all 12.1.x and 11.6.…
published 2021-03-31 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10120
- cvss
- 4.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
When using BIG-IP APM 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, or all 12.1.x and 11.6.x versions or Edge Client versions 7.2.1.x before 7.2.1.1, 7.1.9.x before 7.1.9.8, or 7.1.8.x before 7.1.8.5, the session ID is visible in the arguments of the f5vpn.exe command when VPN is launched from the browser on a Windows system. Addressing this issue requires both the client and server fixes. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Patch / fix
- f5 access_policy_manager_clients 7.1.8.5, 7.1.9.8, 7.2.1.1
- f5 big-ip_access_policy_manager 13.1.3.6, 14.1.4, 15.1.2.1, 16.0.1.1
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.5 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.7 | AV:A/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- n/a BIG-IP APM and Edge Client
References
-
support.f5.com
/csp/article/K71891773
vendor-advisory
Sources
- CVE List CVE-2021-23002
- NVD CVE-2021-23002
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.