What is CVE-2023-23552?

CVE-2023-23552 is a high-severity vulnerability in F5 Big-Ip, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-02-01.

How severe is CVE-2023-23552?

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

Is CVE-2023-23552 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-2023-23552

On versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.0 before 15.1.8, 14.1.x before 14.1.5.3, and all versions of 13.1.x, when a BIG-IP Advanced WAF or BIG-IP ASM security policy is configured on a virtual server, 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)

EPSS: 0.015 (72.4th 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 — versions 17.0.0, 16.1.0, 15.1.0
F5 Big-ip_advanced_web_application_firewall
F5 Big-ip_application_security_manager

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

f5sirt@f5.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-23552?: CVE-2023-23552 is a high-severity vulnerability in F5 Big-Ip, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-02-01.
How severe is CVE-2023-23552?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-23552 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.