CVE-2009-1930

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 41.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-08-12 · updated 2026-06-16
Weakness: CWE-255

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.

Affected products

Microsoft Windows 2000: all versions
Microsoft Windows 2003 Server: sp2
Microsoft Windows Server 2008: all versions
Microsoft Windows Vista: all versions
Microsoft Windows XP Service Pack 3: all versions

References

http://osvdb.org/56904
http://secunia.com/advisories/36222
http://securitytracker.com/id?1022716
http://www.securityfocus.com/bid/35993
http://www.us-cert.gov/cas/techalerts/TA09-223A.html
http://www.vupen.com/english/advisories/2009/2237
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
http://securitytracker.com/id?1022716
http://www.securityfocus.com/bid/35993

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