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HIGH · 7.5

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 server may cause TMM to restart and generate a core file. Note: Software versions wh...

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
F5Big-Ip Access Policy Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Advanced Firewall Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Advanced Web Application Firewall>= 14.1.0, < 14.1.3.1
F5Big-Ip Analytics>= 14.1.0, < 14.1.3.1
F5Big-Ip Application Acceleration Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Application Security Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Ddos Hybrid Defender>= 14.1.0, < 14.1.3.1
F5Big-Ip Domain Name System>= 14.1.0, < 14.1.3.1
F5Big-Ip Fraud Protection Service>= 14.1.0, < 14.1.3.1
F5Big-Ip Global Traffic Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Link Controller>= 14.1.0, < 14.1.3.1
F5Big-Ip Local Traffic Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Policy Enforcement Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Ssl Orchestrator>= 14.1.0, < 14.1.3.1

References

FAQ

What is CVE-2021-22977?

CVE-2021-22977 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 wh...

How severe is CVE-2021-22977?

CVE-2021-22977 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22977?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager.