CVE-2021-22991CISA KEVEPSS p99.0%
CVE-2021-22991F5 BIG-IP Traffic Management Microkernel Buffer Overflow
F5 / BIG-IP Traffic Management Microkernel
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.
Scoring
| EPSS | 61.06% probability of exploitation · percentile 99.0% · 2026-06-18T12:00:27Z |
CISA KEV entry
Added to KEV: 2022-01-18
(incoming)1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| KEVEntry | F5 BIG-IP Traffic Management Microkernel Buffer Overflowkev-cve-2021-22991 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.