cisco-sa-20190220-cuc-rxss: Cisco Unity Connection Reflected Cross-Site Scripting Vulnerability
First published: Wed Feb 20 2019(Updated: )
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. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220-cuc-rxss
Credit: This vulnerability was found during the resolution a Cisco TAC support case
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Unity Connection 8.6 |
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Reference Links
Frequently Asked Questions
What is the severity of Cisco SA-2019-0220-CUC-RXSS?
The severity of Cisco SA-2019-0220-CUC-RXSS is considered high due to its potential for unauthorized access and execution of scripts.
How do I fix Cisco SA-2019-0220-CUC-RXSS?
To fix Cisco SA-2019-0220-CUC-RXSS, upgrade to a patched version of Cisco Unity Connection as recommended in the security advisory.
Who is affected by Cisco SA-2019-0220-CUC-RXSS?
Cisco SA-2019-0220-CUC-RXSS affects users of the Security Assertion Markup Language (SAML) SSO interface in Cisco Unity Connection.
What type of attacks can be performed using Cisco SA-2019-0220-CUC-RXSS?
Attackers can perform cross-site scripting (XSS) attacks against users of the affected SSO interface with Cisco SA-2019-0220-CUC-RXSS.
Is authentication required to exploit Cisco SA-2019-0220-CUC-RXSS?
No, authentication is not required to exploit Cisco SA-2019-0220-CUC-RXSS, as it can be conducted by an unauthenticated remote attacker.
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