CVE-2000-0834
highpriority · attend · 54OT risk · highEPSS 0.396 · 99 %ileexploit · functionalEUUSEPSS · scored 2026-10-26
The Windows 2000 telnet client attempts to perform NTLM authentication by default, which allows remote attackers to capture and replay the NTLM challenge/response via a telnet:// URL that points to the malicious server, aka the "Windows 2000 Telnet Client NTLM Authentication" vulnerability.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
- EDB-20222Microsoft Windows Server 2000 - 'telnet.exe' NTLM Authenticationfunctional · exploit_db
affected products (2)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- http://www.atstake.com/research/advisories/2000/a091400-1.txtenisa_euvd
- http://www.securityfocus.com/bid/1683enisa_euvd
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-067enisa_euvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5242enisa_euvd
- http://www.atstake.com/research/advisories/2000/a091400-1.txtnvd
- http://www.securityfocus.com/bid/1683ExploitPatchVendor Advisorynvd
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-067nvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5242nvd
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