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CVE-2020-3367

7.8 · HIGH
Published Nov 18, 2020 cisco CWE-78 EPSS 0.80% (54th pctl)

Overview

CVE-2020-3367 is a high-severity vulnerability affecting cisco asyncos. It was published on November 18, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

A vulnerability in the log subscription subsystem of Cisco AsyncOS for the Cisco Secure Web Appliance (formerly Web Security Appliance) could allow an authenticated, local attacker to perform command injection and elevate privileges to root. This vulnerability is due to insufficient validation of user-supplied input for the web interface and CLI. An attacker could exploit this vulnerability by authenticating to the affected device and injecting scripting commands in the scope of the log subscription subsystem. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root.

Remediation

Check the references section for vendor advisories and patches from cisco. Update asyncos 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 asyncos >= 0, < 11.7.2-011 Affected

Frequently Asked Questions

What is CVE-2020-3367?

CVE-2020-3367 is a high-severity vulnerability affecting cisco asyncos. It was published on November 18, 2020 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2020-3367?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-3367?

Check the references section for vendor advisories and patches from cisco. Update asyncos 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-2020-3367?

CyberStrike's AI-powered security agents can automatically detect CVE-2020-3367 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.