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Vulnerability record · CVE-2009-1930 · published 12 August 2009

CVE-2009-1930: Microsoft windows 2000 vulnerability

Microsoft · Windows 2000

The Telnet service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allows remote Telnet servers to execute arbitrary code on a client machine by replaying the NTLM credentials of a client user, aka "Telnet Credential Reflection Vulnerability," a related issue to CVE-2000-0834.

10.0 CVSS 2.0 High EPSS 41% · top 1.4% CWE-255 · CWE-255
10.0CVSS 2.0 base score
41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

The Telnet service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allows remote Telnet servers to execute arbitrary code on a client machine by replaying the NTLM credentials of a client user, aka "Telnet Credential Reflection Vulnerability," a related issue to CVE-2000-0834.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/56904
http://secunia.com/advisories/36222 Vendor Advisory
http://securitytracker.com/id?1022716
http://www.securityfocus.com/bid/35993 Patch
http://www.us-cert.gov/cas/techalerts/TA09-223A.html US Government Resource
http://www.vupen.com/english/advisories/2009/2237 Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-042
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6302
http://osvdb.org/56904
http://secunia.com/advisories/36222 Vendor Advisory
http://securitytracker.com/id?1022716
http://www.securityfocus.com/bid/35993 Patch
http://www.us-cert.gov/cas/techalerts/TA09-223A.html US Government Resource
http://www.vupen.com/english/advisories/2009/2237 Vendor Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-042
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6302

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-1930), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.