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CVE-2000-0834

51
FAUCET Score

CVE-2000-0834 describes a vulnerability in the Windows 2000 telnet client where it defaults to NTLM authentication, allowing remote attackers to capture and replay NTLM challenge/response via a specially crafted telnet:// URL. This vulnerability carries a high CVSS score of 7.5 (AV:N/AC:L/Au:N/C:P/I:P/A:P), indicating it can be exploited remotely with low complexity, potentially leading to compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, exploit code for this vulnerability is publicly available, as evidenced by an ExploitDB entry. Despite its age and the availability of exploit code, there is no indication of active exploitation or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
39.61%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-20222 · Aug 14, 2000
This CVE's current EPSS score of 0.3961 is in the 97th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/2000/ms00-067
exchange.xforce.ibmcloud.com / vulnerabilities/5242
atstake.com / research/advisories/2000/a091400-1.txt
securityfocus.com / bid/1683
ExploitPatchVendor Advisory