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CISA known exploited vulnerability

CVE-2021-22991

F5 BIG-IP Traffic Management Microkernel Buffer Overflow

SOURCE FACT

F5 · BIG-IP Traffic Management Microkernel

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

Apply updates per vendor instructions.

CISA notes

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

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