How severe is CVE-2003-1365?

CVE-2003-1365 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2003-1365 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-1365?

CVE-2003-1365 affects Perl Cgi Lite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-1365?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2003-1365 published?

CVE-2003-1365 was published on 2003-12-31 and last updated on 2026-06-16.

CVE-2003-1365

CVE-2003-1365 is a medium-severity vulnerability in Perl Cgi Lite with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Perl Cgi Lite
Published: 2003-12-31
Last modified: 2026-06-16

Description

The escape_dangerous_chars function in CGI::Lite 2.0 and earlier does not correctly remove special characters including (1) "\" (backslash), (2) "?", (3) "~" (tilde), (4) "^" (carat), (5) newline, or (6) carriage return, which could allow remote attackers to read or write arbitrary files, or execute arbitrary commands, in shell scripts that rely on CGI::Lite to filter such dangerous inputs.

Frequently asked questions

What is CVE-2003-1365?: The escape_dangerous_chars function in CGI::Lite 2.0 and earlier does not correctly remove special characters including (1) "\" (backslash), (2) "?", (3) "~" (tilde), (4) "^" (carat), (5) newline, or (6) carriage return, which could allow remote attackers to read or write arbitrary files, or execute arbitrary commands, in shell scripts that rely on CGI::Lite to filter such dangerous inputs.
How severe is CVE-2003-1365?: CVE-2003-1365 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-1365 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1365?: CVE-2003-1365 affects Perl Cgi Lite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-1365?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-1365 published?: CVE-2003-1365 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:perl:cgi_lite:2.0:*:*:*:*:*:*:*

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