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CVE-1999-1455

7.5 · HIGH

RSH service utility RSHSVC in Windows NT 3.5 through 4.0 does not properly restrict access as specified in the .Rhosts file when a user comes from an authorized host, which could allow unauthorized…

Published Dec 31, 1999microsoftEPSS 3.90%

Overview

CVE-1999-1455 is a high-severity vulnerability affecting microsoft windows_nt. It was published on December 31, 1999 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

RSH service utility RSHSVC in Windows NT 3.5 through 4.0 does not properly restrict access as specified in the .Rhosts file when a user comes from an authorized host, which could allow unauthorized users to access the service by logging in from an authorized host.

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_nt 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
microsoftwindows_nt0Affected

References

Refsupport.microsoft.com/support/kb/articles/q158/3/20.aspRefexchange.xforce.ibmcloud.com/vulnerabilities/7422Refsupport.microsoft.com/support/kb/articles/q158/3/20.aspRefexchange.xforce.ibmcloud.com/vulnerabilities/7422

How CyberStrike helps

Frequently asked questions

What is CVE-1999-1455?

CVE-1999-1455 is a high-severity vulnerability affecting microsoft windows_nt. It was published on December 31, 1999 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-1999-1455?

This vulnerability has a CVSS 2.0 base score of 7.5, 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-1999-1455?

Check the references section for vendor advisories and patches from microsoft. Update windows_nt 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-1999-1455?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-1999-1455 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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