CVE-2023-23552

BIG-IP Advanced WAF and ASM vulnerability

At a glance

Severity: HIGH 7.5
EPSS: EPSS 1.54 % · percentile 75 (2026-10-27)
State: PUBLISHED
Published: 2023-02-01
Updated: 2025-03-25
Assigner: f5
NVD status: Modified

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	f5
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · f5sirt@f5.com (Secondary)
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-400

European references

ENISA EUVD · EUVD-2023-27652
GCVE · GCVE-0-2023-23552

CERT-FR advisories

CERTFR-2023-AVI-0088 — Multiples vulnérabilités dans F5 BIG-IP · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* ≥ 13.1.0 ≤ 13.1.5
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* ≥ 14.1.0 < 14.1.5.3
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* ≥ 15.1.0 < 15.1.8
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* ≥ 16.1.0 < 16.1.3.3
cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:* ≥ 17.0.0 < 17.0.0.2
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 13.1.0 ≤ 13.1.5
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 14.1.0 < 14.1.5.3
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 15.1.0 < 15.1.8
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 16.1.0 < 16.1.3.3
cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:* ≥ 17.0.0 < 17.0.0.2

Affected products

Product	Versions
F5 · BIG-IP	affected 17.0.0 < 17.0.0.2 ; affected 16.1.0 < 16.1.3.3 ; affected 15.1.0 < 15.1.8 ; affected 14.1.0 < 14.1.5.3 ; affected 13.1.0 < *

References

https://my.f5.com/manage/s/article/K17542533

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD