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CVE-2020-3135

8.8 · HIGH
Published Sep 23, 2020 cisco CWE-352 EPSS 0.54% (43th pctl)

Overview

CVE-2020-3135 is a high-severity vulnerability affecting cisco unified_communications_manager. It was published on September 23, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

A vulnerability in the web-based management interface of Cisco Unified Communications Manager (UCM) could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected device. The vulnerability is due to insufficient CSRF protections for the web-based management interface on an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to follow a malicious link. A successful exploit could allow the attacker to perform arbitrary actions with the privilege level of the targeted user.

Remediation

Check the references section for vendor advisories and patches from cisco. Update unified_communications_manager to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
cisco unified_communications_manager >= 0, < 11.5\(1\) Affected

Frequently Asked Questions

What is CVE-2020-3135?

CVE-2020-3135 is a high-severity vulnerability affecting cisco unified_communications_manager. It was published on September 23, 2020 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2020-3135?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-3135?

Check the references section for vendor advisories and patches from cisco. Update unified_communications_manager to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-3135?

CyberStrike's AI-powered security agents can automatically detect CVE-2020-3135 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.