CVE-2021-1245: Cisco Finesse OpenSocial Gadget Editor Cross-Site Scripting Vulnerability

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-13 · updated 2026-06-17
Weakness: CWE-79

Description

Cisco Finesse and Cisco Unified CVP OpenSocial Gadget Editor Cross-Site Scripting Vulnerability A vulnerability in the web-based management interface of Cisco Finesse and Cisco Unified CVP could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. The vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Affected products

Cisco Finesse: before 12.0\(1\); 12.0(1), 12.0(1)-es1, 12.0(1)-es2, 12.0(1)-es3, 12.0(1)-es4, 12.0(1)-es5 (+5) — fixed in 12.0\(1\)

How to fix

Upgrade to a fixed version: Cisco Finesse 12.0\(1\). Check the vendor advisory for mitigations.

References

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