CVE-2001-0022

CVE-2001-0022 is a critical-severity vulnerability in Leif M. Wright Simplestguest.cgi with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

simplestguest.cgi CGI program by Leif Wright allows remote attackers to execute arbitrary commands via shell metacharacters in the guestbook parameter.

Frequently asked questions

What is CVE-2001-0022?
simplestguest.cgi CGI program by Leif Wright allows remote attackers to execute arbitrary commands via shell metacharacters in the guestbook parameter.
How severe is CVE-2001-0022?
CVE-2001-0022 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2001-0022 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0022?
CVE-2001-0022 affects Leif M. Wright Simplestguest.cgi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0022?
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-2001-0022 published?
CVE-2001-0022 was published on 2001-02-12 and last updated on 2026-06-16.

References

Affected products (1)