(1) Webmin 0.96 and (2) Usermin 0.90 with password timeouts enabled allow local and possibly remote attackers to bypass authentication and…

published 2002-07-26 24 y ago modified 2026-06-16 4 mo ago also EUVD-2002-0749

cvss: 7.5; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.9%; EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits: 0; none known

(1) Webmin 0.96 and (2) Usermin 0.90 with password timeouts enabled allow local and possibly remote attackers to bypass authentication and gain privileges via certain control characters in the authentication information, which can force Webmin or Usermin to accept arbitrary username/session ID combinations.

Patch / fix

links 4

linux-mandrake.com/en/security/2002/MDKSA-2002-033.php advisory
iss.net/security_center/static/9037.php advisory
securityfocus.com/bid/4700 advisory
online.securityfocus.com/archive/1/271466 advisory

Exploit prediction

1.85% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

online.securityfocus.com http://online.securityfocus.com/archive/1/271466 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

References

linux-mandrake.com /en/security/2002/MDKSA-2002-033.php
vendor-advisory, patch
iss.net /security_center/static/9037.php
vdb-entry, patch, vendor-advisory
securityfocus.com /bid/4700
vdb-entry, patch, vendor-advisory
online.securityfocus.com /archive/1/271466
mailing-list, exploit, patch, vendor-advisory

Sources

CVE List CVE-2002-0757
NVD CVE-2002-0757

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.

Summary