#VU51787 Stored cross-site scripting in Cisco Systems, Inc products - CVE-2021-1374
Published: March 30, 2021
Vulnerability identifier: #VU51787
Vulnerability risk: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-1374
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco IOS XE
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
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
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
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.
Remediation
Install updates from vendor's website.