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CVE-1999-0491

4.6 · MEDIUM
Published Apr 20, 1999 gnu CWE-94 EPSS 0.86% (56th pctl)

Overview

CVE-1999-0491 is a medium-severity vulnerability affecting gnu bash. It was published on April 20, 1999 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical Description

The prompt parsing in bash allows a local user to execute commands as another user by creating a directory with the name of the command to execute.

Remediation

Check the references section for vendor advisories and patches from gnu. Update bash 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
gnu bash 0 Affected

Frequently Asked Questions

What is CVE-1999-0491?

CVE-1999-0491 is a medium-severity vulnerability affecting gnu bash. It was published on April 20, 1999 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-1999-0491?

This vulnerability has a CVSS 2.0 base score of 4.6, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-1999-0491?

Check the references section for vendor advisories and patches from gnu. Update bash 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-1999-0491?

CyberStrike's AI-powered security agents can automatically detect CVE-1999-0491 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.