Home/CVE/On BIG-IP version 16.0.0-16.0.1 and 14.1.2.4-14.1.3, cooperation between malicious HTTP client code and a malicious serv
CVE

CVE-2021-22977

On BIG-IP version 16.0.0-16.0.1 and 14.1.2.4-14.1.3, cooperation between malicious HTTP client code and a malicious serv

On BIG-IP version 16.0.0-16.0.1 and 14.1.2.4-14.1.3, cooperation between malicious HTTP client code and a malicious server may cause TMM to restart and generate a core file. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

HIGH · CVSS 7.5 EPSS 0.00647
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

28
f5 big-ip access policy manager>= 14.1.0 and < 14.1.3.1
f5 big-ip access policy manager>= 16.0.0 and < 16.0.1.1
f5 big-ip advanced firewall manager>= 14.1.0 and < 14.1.3.1
f5 big-ip advanced firewall manager>= 16.0.0 and < 16.0.1.1
f5 big-ip advanced web application firewall>= 14.1.0 and < 14.1.3.1
f5 big-ip advanced web application firewall>= 16.0.0 and < 16.0.1.1
f5 big-ip analytics>= 14.1.0 and < 14.1.3.1
f5 big-ip analytics>= 16.0.0 and < 16.0.1.1
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Scoring & Timeline

7.5
HIGH · CVSS v3.1 · f5sirt@f5.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Feb 2021 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.f5.com/csp/article/K14693346Vendor Advisory
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