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CVE-1999-0391

Published Jan 5, 1999 microsoft

Overview

CVE-1999-0391 is a known-severity vulnerability affecting microsoft terminal_server. It was published on January 5, 1999.

Technical Description

The cryptographic challenge of SMB authentication in Windows 95 and Windows 98 can be reused, allowing an attacker to replay the response and impersonate a user.

Remediation

Check the references section for vendor advisories and patches from microsoft. Update terminal_server 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

Frequently Asked Questions

What is CVE-1999-0391?

CVE-1999-0391 is a known-severity vulnerability affecting microsoft terminal_server. It was published on January 5, 1999.

How severe is CVE-1999-0391?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-1999-0391?

Check the references section for vendor advisories and patches from microsoft. Update terminal_server 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-1999-0391?

CyberStrike's AI-powered security agents can automatically detect CVE-1999-0391 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.