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CVE-1999-0433

4.6 · MEDIUM

XFree86 startx command is vulnerable to a symlink attack, allowing local users to create files in restricted directories, possibly allowing them to gain privileges or cause a denial of service.

Published Mar 21, 1999xfree86_projectEPSS 0.71%

Overview

CVE-1999-0433 is a medium-severity vulnerability affecting xfree86_project x11r6. It was published on March 21, 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

XFree86 startx command is vulnerable to a symlink attack, allowing local users to create files in restricted directories, possibly allowing them to gain privileges or cause a denial of service.

Remediation

Check the references section for vendor advisories and patches from xfree86_project. Update x11r6 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

VendorProductVersionsStatus

References

Refexchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0433Refexchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0433

How CyberStrike helps

Frequently asked questions

What is CVE-1999-0433?

CVE-1999-0433 is a medium-severity vulnerability affecting xfree86_project x11r6. It was published on March 21, 1999 and has a CVSS 2.0 base score of 4.6 (MEDIUM).

How severe is CVE-1999-0433?

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-1999-0433?

Check the references section for vendor advisories and patches from xfree86_project. Update x11r6 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-1999-0433?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-1999-0433 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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