CVE-2025-21091: high-severity vulnerability in F5 BIG-IP
BIG-IP SNMP vulnerability
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.5%
When SNMP v1 or v2c are disabled on the BIG-IP, undisclosed requests can cause an increase in memory resource utilization.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Affected products
F5 · BIG-IPRelated CVEs — F5 BIG-IP
In the same product, most dangerous first.
CVE-2022-1388CRITICALCVE-2022-1388EPSS 100.0%KEVCVE-2023-46747CRITICALBIG-IP Configuration utility unauthenticated remote code execution vulnerabilityEPSS 96.7%KEVCVE-2026-94127CRITICALBIG-IP APM OAuth vulnerabilityEPSS 26.6%KEVCVE-2023-46748HIGHBIG-IP Configuration utility authenticated SQL injection vulnerabilityEPSS 4.3%KEVCVE-2025-53521CRITICALBigIP APM VulnerabilityEPSS 2.3%KEVCVE-2022-41622HIGHiControl SOAP vulnerabilityEPSS 92.4%