VDB
CVE-2021-22976
CVE-2021-22976
PUBLISHED
CVSS 7.5 HIGH
On BIG-IP Advanced WAF and ASM version 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 all 12.1.x versions, when the BIG-IP ASM system processes WebSocket requests with JSON payloads, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
EPSS 0.65% · 71.2th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.65%
71.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| n/a | BIG-IP Advanced WAF & BIG-IP ASM | 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 all 12.1.x versions |
| f5 | big-ip_application_security_manager | 16.0.0, 13.1.0, 14.1.0 |
| f5 | big-ip_advanced_web_application_firewall | 12.1.0, 13.1.0, 14.1.0 |
Exploit Intelligence
Timeline
- Feb 12, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://support.f5.com/csp/article/K88230177 url
- https://nvd.nist.gov/vuln/detail/CVE-2021-22976 advisory
- https://support.f5.com/csp/article/K04518313 advisory
- https://support.f5.com/csp/article/K13323323 advisory
- https://support.f5.com/csp/article/K25595031 advisory
- https://support.f5.com/csp/article/K42142782 advisory