CVE-2003-0101

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 15.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2003-03-03 · updated 2026-06-16

Description

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.

Affected products

Engardelinux Guardian Digital Webtool: 1.2
Usermin: 0.4, 0.5, 0.6, 0.7, 0.8, 0.9 (+9)
Webmin: 1.0.50, 1.0.60

References

http://archives.neohapsis.com/archives/hp/2003-q1/0063.html
http://archives.neohapsis.com/archives/linux/engarde/2003-q1/0008.html
http://marc.info/?l=bugtraq&m=104610245624895&w=2
http://marc.info/?l=bugtraq&m=104610300325629&w=2
http://marc.info/?l=bugtraq&m=104610336226274&w=2
http://marc.info/?l=webmin-announce&m=104587858408101&w=2
http://secunia.com/advisories/8115
http://secunia.com/advisories/8163
http://www.ciac.org/ciac/bulletins/n-058.shtml
http://www.debian.org/security/2003/dsa-319
http://www.iss.net/security_center/static/11390.php

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