Vulnerability Monitor

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CVE-2000-0834

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.

Security Impact Summary

CVE-2000-0834 is a security vulnerability that . Impacting 1 product from microsoft organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2000, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2000-11-14T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	microsoft	windows_2000	*	Yes

References

http://www.atstake.com/research/advisories/2000/a091400-1.txt ([email protected])
http://www.securityfocus.com/bid/1683 Exploit, Patch, Vendor Advisory ([email protected])
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-067 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/5242 ([email protected])
http://www.atstake.com/research/advisories/2000/a091400-1.txt (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/1683 Exploit, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2000/ms00-067 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/5242 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For microsoft's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.