CVE-2003-0101

CVE-2003-0101 is a critical-severity vulnerability in Engardelinux Guardian Digital Webtool with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

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.

Frequently asked questions

What is CVE-2003-0101?
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.
How severe is CVE-2003-0101?
CVE-2003-0101 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2003-0101 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0101?
CVE-2003-0101 primarily affects Engardelinux Guardian Digital Webtool. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0101?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2003-0101 published?
CVE-2003-0101 was published on 2003-03-03 and last updated on 2026-06-16.

References

Affected products (18)