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CVE-2001-0894

15
FAUCET Score

CVE-2001-0894 describes a denial-of-service vulnerability in Postfix SMTP server versions prior to 20010228-pl07. When configured to email the postmaster upon SMTP session termination due to errors, remote attackers can exhaust server memory by generating numerous SMTP errors, causing the session log to grow excessively. This vulnerability has a CVSS score of 5.0 (Medium), indicating a network-based attack with low complexity and potential for partial availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1999-09-06CPE matchmatch criteria
cpe:2.3:a:wietse_venema:postfix:1999-09-06:*:*:*:*:*:*:*
1999-12-31CPE matchmatch criteria
cpe:2.3:a:wietse_venema:postfix:1999-12-31:*:*:*:*:*:*:*
2000-02-28CPE matchmatch criteria
cpe:2.3:a:wietse_venema:postfix:2000-02-28:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.91%
Probability of exploitation in next 30 days
EPSS Percentile
77.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0191 is in the 65th percentile among its peer group of 23,705 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Powertools 7.1
View patch

Vendor Advisories (1)

redhatCVE-2001-0894

security flaw

Nov 15, 2001

References

distro.conectiva.com.br / atualizacoes
frontal2.mandriva.com / security/advisories
marc.info
exchange.xforce.ibmcloud.com / vulnerabilities/7568
debian.org / security/2001/dsa-093
Patch
redhat.com / support/errata/RHSA-2001-156.html
securityfocus.com / bid/3544
PatchVendor Advisory