CVE-2001-0894
CVE-2001-0894 is a medium-severity vulnerability in Wietse Venema Postfix with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 2% (77th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Wietse Venema Postfix
- Published:
- Last modified:
Description
Vulnerability in Postfix SMTP server before 20010228-pl07, when configured to email the postmaster when SMTP errors cause the session to terminate, allows remote attackers to cause a denial of service (memory exhaustion) by generating a large number of SMTP errors, which forces the SMTP session log to grow too large.
Frequently asked questions
- What is CVE-2001-0894?
- Vulnerability in Postfix SMTP server before 20010228-pl07, when configured to email the postmaster when SMTP errors cause the session to terminate, allows remote attackers to cause a denial of service (memory exhaustion) by generating a large number of SMTP errors, which forces the SMTP session log to grow too large.
- How severe is CVE-2001-0894?
- CVE-2001-0894 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2001-0894 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2001-0894?
- CVE-2001-0894 primarily affects Wietse Venema Postfix. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2001-0894?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2001-0894 published?
- CVE-2001-0894 was published on 2001-11-11 and last updated on 2026-06-16.
References
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000439
- http://frontal2.mandriva.com/security/advisories?name=MDKSA-2001:089
- http://marc.info/?l=bugtraq&m=100584160110303&w=2
- http://www.debian.org/security/2001/dsa-093
- http://www.redhat.com/support/errata/RHSA-2001-156.html
- http://www.securityfocus.com/bid/3544
- https://exchange.xforce.ibmcloud.com/vulnerabilities/7568
Affected products (3)
- cpe:2.3:a:wietse_venema:postfix:1999-09-06:*:*:*:*:*:*:*
- cpe:2.3:a:wietse_venema:postfix:1999-12-31:*:*:*:*:*:*:*
- cpe:2.3:a:wietse_venema:postfix:2000-02-28:*:*:*:*:*:*:*
More vulnerabilities in Wietse Venema Postfix
- CVE-2005-0337 — High (CVSS 7.5): Postfix 2.1.3, when /proc/net/if_inet6 is not available and permit_mx_backup is enabled in…
- CVE-2003-0468 — Medium (CVSS 5.0): Postfix 1.1.11 and earlier allows remote attackers to use Postfix to conduct "bounce scans" or DDos attacks of other…
- CVE-2003-0540 — Medium (CVSS 5.0): The address parser code in Postfix 1.1.12 and earlier allows remote attackers to cause a denial of service (lock) via…