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Fencer Vulns
critical 10.0

CVE-2003-0101 in the critical feed json

miniserv.pl in (1) Webmin before 1.070 and (2) Usermin before 1.000 does not properly handle metacharacters such as line feeds and carriage…

published 2003-02-26 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0097

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
15.5%
EPSS 15.5% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

miniserv.pl in (1) Webmin before 1.070 and (2) Usermin before 1.000 does not properly handle metacharacters such as line feeds and carriage returns (CRLF) in Base-64 encoded strings during Basic authentication, which allows remote attackers to spoof a session ID and gain root privileges.

Timeline

  1. First public exploit (EDB-22275)
  2. Published

Exploit prediction

15.47% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-22275 Webmin 0.9x / Usermin 0.9x/1.0 - Access Session ID Spoofing remote, 2003-02-20

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.