What is CVE-2021-22985?

CVE-2021-22985 is a high-severity vulnerability in F5 Big-Ip Application Security Manager, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-02-12.

How severe is CVE-2021-22985?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in F5 Big-Ip Application Security Manager

CVE-2021-22985

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.010 (58.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

F5 Big-ip_application_security_manager
N/a Big-ip Apm — versions 16.0.x before 16.0.1.1

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

f5sirt@f5.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-22985?: CVE-2021-22985 is a high-severity vulnerability in F5 Big-Ip Application Security Manager, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-02-12.
How severe is CVE-2021-22985?: High severity. CVSS v3 base score is 7.5 out of 10.