CVE-2021-22985

7.5 highEPSS 1.0%

High (7.5) in f5 big-ip application security manager. EPSS 1.0% chance of exploitation in the next 30 days.

On BIG-IP APM version 16.0.x before 16.0.1.1, under certain conditions, when processing VPN traffic with APM, TMM consumes excessive memory. A malicious, authenticated VPN user may abuse this to perform a DoS attack against the APM. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWE: CWE-400
Published: 2021-02-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

f5:big-ip_application_security_manager

References

https://support.f5.com/csp/article/K88162221
https://support.f5.com/csp/article/K88162221

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