{"cvss":9.8,"datePublished":"2022-01-18","dateUpdated":"2022-01-18","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.","dueDate":"2022-02-01","id":"CVE-2021-22991","kev_catalogs":["cisa"],"knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-22991","product":"BIG-IP Traffic Management Microkernel","requiredAction":"Apply updates per vendor instructions.","severity":"CRITICAL","source":"cisa_known_exploited","title":"F5 BIG-IP Traffic Management Microkernel Buffer Overflow","vendor":"F5"}