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CVE-2001-0442

30
FAUCET Score

CVE-2001-0442 describes a buffer overflow vulnerability in the Mercury MTA POP3 server for NetWare versions 1.48 and earlier. This flaw allows remote, unauthenticated attackers to trigger a denial of service and potentially execute arbitrary code by sending an excessively long APOP command. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to partial compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, public exploit code exists (EDB-20792), though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
1.45CPE matchmatch criteria
cpe:2.3:a:david_harris:mercury_nlm:1.45:*:*:*:*:*:*:*
1.46CPE matchmatch criteria
cpe:2.3:a:david_harris:mercury_nlm:1.46:*:*:*:*:*:*:*
1.47CPE matchmatch criteria
cpe:2.3:a:david_harris:mercury_nlm:1.47:*:*:*:*:*:*:*

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
5.34%
Probability of exploitation in next 30 days
EPSS Percentile
91.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-20792 · Apr 21, 2001
This CVE's current EPSS score of 0.0534 is in the 86th 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

archives.neohapsis.com / archives/bugtraq/2001-04/0378.html
Vendor Advisory
online.securityfocus.com / archive/1/179217
iss.net / security_center/static/6444.php
securityfocus.com / bid/2641
PatchVendor Advisory