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Fencer Vulns
critical 10.0

CVE-2001-1078 json

Format string vulnerability in flog function of eXtremail 1.1.9 and earlier allows remote attackers to gain root privileges via format spec…

published 2001-06-21 25 y ago modified 2026-06-16 4 mo ago also EUVD-2001-1059

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.4%
EPSS 5.4% chance of exploitation in 30 days, percentile 92%
public exploits
4
Exploit-DB

Summary

Format string vulnerability in flog function of eXtremail 1.1.9 and earlier allows remote attackers to gain root privileges via format specifiers in the SMTP commands (1) HELO, (2) EHLO, (3) MAIL FROM, or (4) RCPT TO, and the POP3 commands (5) USER and (6) other commands that can be executed after POP3 authentication.

Patch / fix

Timeline

  1. First public exploit (EDB-20953)
  2. Published

Exploit prediction

5.44% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-20954 eXtremail 1.x/2.1 - Remote Format String (3) remote, 2006-10-06
  • EDB-20953 eXtremail 1.x/2.1 - Remote Format String (2) remote, 2001-06-21
  • EDB-20952 eXtremail 1.x/2.1 - Remote Format String (1) dos, 2001-06-21
  • EDB-49 eXtremail 1.5.x (Linux) - Remote Format Strings remote, 2003-07-02
  • securityfocus.com http://www.securityfocus.com/bid/2908 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.