Name: CVE-2021-23038: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2021-09-14T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-23038, CWE-79, CVSS 9, EPSS 0.00326

On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, 13.1.x before 13.1.4.1, and all versions of 12.1.x, a stored cross-site scripting (XSS) vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to execute JavaScript in the context of the currently logged-in user. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS Details

CVSS 3.1 Base Score: 9
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
F5 Big Ip	—	Update F5 BIG-IP to the latest version	Jun 17, 2026	Aug 24, 2021

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CVSS Details

Covered by Rapid7

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