Stored cross-site scripting in Cisco Systems, Inc products - CVE-2021-1374

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU51787

Stored cross-site scripting in Cisco Systems, Inc products - CVE-2021-1374

Published: March 30, 2021


Vulnerability identifier: #VU51787
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2021-1374
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 web-based management interface. A remote authenticated attacker can inject 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

Cisco Catalyst 9800 Wireless Controller
Cisco Catalyst 9300 Series Switches
Cisco Catalyst 9400 Series Switches
Cisco Catalyst 9500 Series Switches
Embedded Wireless Controller on Catalyst Access Points
Cisco IOS XE

How to mitigate CVE-2021-1374

Install updates from vendor's website.

Cisco IOS XE - addressed in versions 16.6.8.15, 16.6.9, 16.9.6, 16.9.7, 16.12.5, 16.12.5a, 17.1.3, 17.2.2, 17.3.1, 17.3.1w, 17.3.1x, 17.3.1a, 17.3.2, 17.3.2a, 17.3.3, 17.4.1, 17.4.1a, 17.4.1b

External References

Related Security Bulletins