CVE-2021-22993 json
On BIG-IP Advanced WAF and BIG-IP ASM versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6…
published 2021-03-31 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10111
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
On BIG-IP Advanced WAF and BIG-IP ASM versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3, DOM-based XSS on DoS Profile properties page. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Patch / fix
- f5 big-ip_advanced_web_application_firewall 12.1.5.3, 13.1.3.6, 14.1.3.1, 15.1.2, 16.0.1.1
- f5 big-ip_application_security_manager 12.1.5.3, 13.1.3.6, 14.1.3.1, 15.1.2, 16.0.1.1
Exploit prediction
0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- n/a BIG-IP Advanced WAF and BIG-IP ASM
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
support.f5.com
/csp/article/K55237223
vendor-advisory
Sources
- CVE List CVE-2021-22993
- NVD CVE-2021-22993
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.