CVE-2023-23552

Name: CVE-2023-23552
Creator: NVD / NIST
Published: 2023-02-01T18:15:11.9+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.54%

Last modified Jun 17, 2026

CVE-2023-23552 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. . EPSS estimates a 1.54% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.54%

71.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
F5	Big-Ip Advanced Web Application Firewall	>= 13.1.0, <= 13.1.5
F5	Big-Ip Advanced Web Application Firewall	>= 14.1.0, < 14.1.5.3
F5	Big-Ip Advanced Web Application Firewall	>= 15.1.0, < 15.1.8
F5	Big-Ip Advanced Web Application Firewall	>= 16.1.0, < 16.1.3.3
F5	Big-Ip Advanced Web Application Firewall	>= 17.0.0, < 17.0.0.2
F5	Big-Ip Application Security Manager	>= 13.1.0, <= 13.1.5
F5	Big-Ip Application Security Manager	>= 14.1.0, < 14.1.5.3
F5	Big-Ip Application Security Manager	>= 15.1.0, < 15.1.8
F5	Big-Ip Application Security Manager	>= 16.1.0, < 16.1.3.3
F5	Big-Ip Application Security Manager	>= 17.0.0, < 17.0.0.2

References

https://my.f5.com/manage/s/article/K17542533Vendor Advisory
https://my.f5.com/manage/s/article/K17542533Vendor Advisory

Timeline

Published: Feb 1, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-23552?

How severe is CVE-2023-23552?

CVE-2023-23552 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.54% probability of exploitation in the next 30 days.

How do I fix CVE-2023-23552?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-23552?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST