CVE-2021-22991 — F5 BIG-IP Traffic Management Microkernel Buffer Overflow

provenance: imported · CVE: CVE-2021-22991

CVE-2021-22991: F5 BIG-IP Traffic Management Microkernel Buffer Overflow

CISA Known Exploited Vulnerability (KEV)


Vendor / project	F5
Product	BIG-IP Traffic Management Microkernel
Date added	2022-01-18
Due date	2022-02-01
Ransomware campaign use	Unknown

Description

The Traffic Management Microkernel of BIG-IP ASM Risk Engine has a buffer overflow vulnerability, leading to a bypassing of URL-based access controls.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-22991

References

NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-22991
KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog