CVE-2003-0101

Exp

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.

Published: 2003-03-03 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0101 is rated High Exploit Risk (85.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 15.50%, 94th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2003-0101

EDB-ID Source Kind Published Link
22275 exploit_db edb 2003-02-20 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-0101

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 17.97% 15.50% -2.48%
2 2025-03-29 15.50% 17.97% +2.48%
3 2025-03-19 — 15.50% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0101

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2003-0101

Affected software / configurations for CVE-2003-0101

Vendor Product Version Raw CPE
engardelinux guardian_digital_webtool 1.2 cpe:2.3:a:engardelinux:guardian_digital_webtool:1.2:*:*:*:*:*:*:*
usermin usermin 0.4 cpe:2.3:a:usermin:usermin:0.4:*:*:*:*:*:*:*
usermin usermin 0.5 cpe:2.3:a:usermin:usermin:0.5:*:*:*:*:*:*:*
usermin usermin 0.6 cpe:2.3:a:usermin:usermin:0.6:*:*:*:*:*:*:*
usermin usermin 0.7 cpe:2.3:a:usermin:usermin:0.7:*:*:*:*:*:*:*
usermin usermin 0.8 cpe:2.3:a:usermin:usermin:0.8:*:*:*:*:*:*:*
usermin usermin 0.9 cpe:2.3:a:usermin:usermin:0.9:*:*:*:*:*:*:*
usermin usermin 0.91 cpe:2.3:a:usermin:usermin:0.91:*:*:*:*:*:*:*
usermin usermin 0.92 cpe:2.3:a:usermin:usermin:0.92:*:*:*:*:*:*:*
usermin usermin 0.93 cpe:2.3:a:usermin:usermin:0.93:*:*:*:*:*:*:*
usermin usermin 0.94 cpe:2.3:a:usermin:usermin:0.94:*:*:*:*:*:*:*
usermin usermin 0.95 cpe:2.3:a:usermin:usermin:0.95:*:*:*:*:*:*:*
usermin usermin 0.96 cpe:2.3:a:usermin:usermin:0.96:*:*:*:*:*:*:*
usermin usermin 0.97 cpe:2.3:a:usermin:usermin:0.97:*:*:*:*:*:*:*
usermin usermin 0.98 cpe:2.3:a:usermin:usermin:0.98:*:*:*:*:*:*:*
usermin usermin 0.99 cpe:2.3:a:usermin:usermin:0.99:*:*:*:*:*:*:*
webmin webmin 1.0.50 cpe:2.3:a:webmin:webmin:1.0.50:*:*:*:*:*:*:*
webmin webmin 1.0.60 cpe:2.3:a:webmin:webmin:1.0.60:*:*:*:*:*:*:*

References for CVE-2003-0101

URL Tags
ftp://patches.sgi.com/support/free/security/advisories/20030602-01-I
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 Vendor Advisory
http://www.lac.co.jp/security/english/snsadv_e/62_e.html
http://www.linuxsecurity.com/advisories/gentoo_advisory-2886.html
http://www.mandriva.com/security/advisories?name=MDKSA-2003:025
http://www.securityfocus.com/bid/6915
http://www.securitytracker.com/id?1006160
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