CVE-2023-38423

BIG-IP Configuration utility vulnerability

MEDIUM

5.4

CVSS Score

Published: August 2, 2023 at 03:55 PM UTC

Updated: June 17, 2026 at 06:10 AM UTC

20 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Firewall Manager

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Severity

MEDIUM5.4

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

A cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to run JavaScript in the context of the currently logged-in user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Big IP Access Policy Manager · F5

95%

13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v < 14.1.5.515.1.0 ≤ v < 15.1.9.116.1.0 ≤ v < 16.1.3.517.0.0 ≤ v < 17.1.0.2

Affected range stops below 14.1.5.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.9.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.3.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1.0.2, so it looks safe — our inference, not a vendor statement

Big IP Advanced Firewall Manager · F5

95%

13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v < 14.1.5.515.1.0 ≤ v < 15.1.9.116.1.0 ≤ v < 16.1.3.517.0.0 ≤ v < 17.1.0.2

Affected range stops below 14.1.5.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.9.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.3.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1.0.2, so it looks safe — our inference, not a vendor statement

Big IP Advanced Web Application Firewall · F5

95%

13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v < 14.1.5.515.1.0 ≤ v < 15.1.9.116.1.0 ≤ v < 16.1.3.517.0.0 ≤ v < 17.1.0.2

Affected range stops below 14.1.5.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.9.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.3.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1.0.2, so it looks safe — our inference, not a vendor statement

Big IP Analytics · F5

95%

13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v < 14.1.5.515.1.0 ≤ v < 15.1.9.116.1.0 ≤ v < 16.1.3.517.0.0 ≤ v < 17.1.0.2

Affected range stops below 14.1.5.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.9.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.3.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1.0.2, so it looks safe — our inference, not a vendor statement

Big IP Application Acceleration Manager · F5

95%

13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v < 14.1.5.515.1.0 ≤ v < 15.1.9.116.1.0 ≤ v < 16.1.3.517.0.0 ≤ v < 17.1.0.2

Affected range stops below 14.1.5.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.9.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.3.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1.0.2, so it looks safe — our inference, not a vendor statement

Big IP Application Security Manager · F5

95%

13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v < 14.1.5.515.1.0 ≤ v < 15.1.9.116.1.0 ≤ v < 16.1.3.517.0.0 ≤ v < 17.1.0.2

Affected range stops below 14.1.5.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.9.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.3.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1.0.2, so it looks safe — our inference, not a vendor statement

Big IP Application Visibility and Reporting · F5

95%

13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v < 14.1.5.515.1.0 ≤ v < 15.1.9.116.1.0 ≤ v < 16.1.3.517.0.0 ≤ v < 17.1.0.2

Affected range stops below 14.1.5.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.9.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.3.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1.0.2, so it looks safe — our inference, not a vendor statement

Big IP Carrier Grade Nat · F5

95%

13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v < 14.1.5.515.1.0 ≤ v < 15.1.9.116.1.0 ≤ v < 16.1.3.517.0.0 ≤ v < 17.1.0.2

Affected range stops below 14.1.5.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.9.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.3.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1.0.2, so it looks safe — our inference, not a vendor statement

Big IP Ddos Hybrid Defender · F5

95%

13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v < 14.1.5.515.1.0 ≤ v < 15.1.9.116.1.0 ≤ v < 16.1.3.517.0.0 ≤ v < 17.1.0.2

Affected range stops below 14.1.5.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.9.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.3.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1.0.2, so it looks safe — our inference, not a vendor statement

Big IP Domain Name System · F5

95%

13.1.0 ≤ v ≤ 13.1.514.1.0 ≤ v < 14.1.5.515.1.0 ≤ v < 15.1.9.116.1.0 ≤ v < 16.1.3.517.0.0 ≤ v < 17.1.0.2

Affected range stops below 14.1.5.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.9.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.3.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1.0.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://my.f5.com/manage/s/article/K000134535

References (1)

Vendor Advisory

Source: [email protected]

https://my.f5.com/manage/s/article/K000134535

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMf5

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-79

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