What is CVE-2022-27182?

CVE-2022-27182 is a medium-severity vulnerability in F5 Big-Ip, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2022-05-05.

How severe is CVE-2022-27182?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2022-27182 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in F5 Big-Ip

CVE-2022-27182

On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, and 14.1.x versions prior to 14.1.4.6, when BIG-IP packet filters are enabled and a virtual server is configured with the type set to Reject, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Vulnerability class: DoS (Denial of Service)

Published 2022-05-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.009 (57.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

F5 Big-Ip — versions 13.1.x, 12.1.x, 11.6.x
F5 Big-Ip Access Policy Manager — versions 14.1.0, 14.1.2, 14.1.3
F5 Big-Ip Advanced Firewall Manager — versions 14.1.0, 14.1.2, 14.1.3
F5 Big-Ip Analytics — versions 14.1.0, 14.1.2, 14.1.3
F5 Big-Ip Application Acceleration Manager — versions 14.1.0, 14.1.2, 14.1.3
F5 Big-Ip Application Security Manager — versions 14.1.0, 14.1.2, 14.1.3
F5 Big-Ip Domain Name System — versions 14.1.0, 14.1.2, 14.1.3
F5 Big-Ip Fraud Protection Service — versions 14.1.0, 14.1.2, 14.1.3
F5 Big-Ip Global Traffic Manager — versions 14.1.0, 14.1.2, 14.1.3
F5 Big-Ip Link Controller — versions 14.1.0, 14.1.2, 14.1.3

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

karimhabush/cyberowl

References

support.f5.com/csp/article/K31856317 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-27182?: CVE-2022-27182 is a medium-severity vulnerability in F5 Big-Ip, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2022-05-05.
How severe is CVE-2022-27182?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2022-27182 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.