CVE-2001-1241

CVE-2001-1241 is a high-severity vulnerability in Steve Grimm Un-cgi with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Un-CGI 1.9 and earlier does not verify that a CGI script has the execution bits set before executing it, which allows remote attackers to execute arbitrary commands by directing Un-CGI to a document that begins with "#!" and the desired program name.

Frequently asked questions

What is CVE-2001-1241?
Un-CGI 1.9 and earlier does not verify that a CGI script has the execution bits set before executing it, which allows remote attackers to execute arbitrary commands by directing Un-CGI to a document that begins with "#!" and the desired program name.
How severe is CVE-2001-1241?
CVE-2001-1241 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-1241 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1241?
CVE-2001-1241 primarily affects Steve Grimm Un-cgi. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1241?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2001-1241 published?
CVE-2001-1241 was published on 2001-07-17 and last updated on 2026-06-16.

References

Affected products (12)

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