Cross-site scripting in BIG-IP - CVE-2021-23041
Published: August 30, 2021
Vulnerability identifier: #VU56154
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2021-23041
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the TMUI/Configuration utility. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
BIG-IP
How to mitigate CVE-2021-23041
Install update from vendor's website.
BIG-IP - addressed in versions 13.1.4.1, 14.1.4.2, 15.1.3, 16.0.1.2, 16.1.0