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CVE-2001-0347

24
FAUCET Score

CVE-2001-0347 describes an information disclosure vulnerability in the Microsoft Windows 2000 Telnet service. This flaw allows remote attackers to determine the existence of user accounts, such as Guest, or log in without specifying a domain name by submitting a malformed user ID. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low complexity and no authentication, potentially leading to partial confidentiality, integrity, and availability impacts. Despite its high risk score and age, there is no evidence of active exploitation, publicly available exploit code, 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
13.76%
Probability of exploitation in next 30 days
EPSS Percentile
96.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.1376 is in the 94th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

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/2001/ms01-031
exchange.xforce.ibmcloud.com / vulnerabilities/6665
ciac.org / ciac/bulletins/l-092.shtml
osvdb.org / 5686
securityfocus.com / bid/2847