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CVE-2019-1685: Cisco Unity Connection Reflected Cross-Site Scripting Vulnerability

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-02-21 · updated 2026-06-17
• Weakness: CWE-79

Description

A vulnerability in the Security Assertion Markup Language (SAML) single sign-on (SSO) interface of Cisco Unity Connection could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device. The vulnerability is due to insufficient validation of user-supplied input by the interface of an affected device. 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 affected interface or access sensitive, browser-based information. Version 12.5 is affected.

Affected products

• Cisco Unity Connection: 12.5

References

• http://www.securityfocus.com/bid/107102
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-cuc-rxss
• http://www.securityfocus.com/bid/107102
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-cuc-rxss

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