Main Vulnerability Database Vulnerabilities #VU51969

Cross-site scripting in Cisco Systems, Inc products - CVE-2021-1380

Published: April 8, 2021

Vulnerability identifier: #VU51969

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-2021-1380

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 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

Cisco Unity Connection
Cisco Unified Communications Manager IM & Presence Service
Unified Communications Manager (CallManager)
Cisco Unified Communications Manager Session Management Edition

How to mitigate CVE-2021-1380

Install updates from vendor's website.

Cisco Unity Connection - update to 14.0
Cisco Unified Communications Manager IM & Presence Service - update to 14.0.0.95200.4
Unified Communications Manager (CallManager) - update to 14.0.1.11000.1
Cisco Unified Communications Manager Session Management Edition - update to 14.0.1.11900.3

External References

Related Security Bulletins