How severe is CVE-2002-2257?

CVE-2002-2257 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2002-2257 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-2257?

CVE-2002-2257 primarily affects Tuxbr Libcgi. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-2257?

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-2002-2257 published?

CVE-2002-2257 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-2257

CVE-2002-2257 is a critical-severity vulnerability in Tuxbr Libcgi with a CVSS 2.0 base score of 10.0. 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-119.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Tuxbr Libcgi
Published: 2002-12-31
Last modified: 2026-06-16

Description

Stack-based buffer overflow in the parse_field function in cgi_lib.c for LIBCGI 1.0.2 and 1.0.3 allows remote attackers to execute arbitrary code via a long argument.

Frequently asked questions

What is CVE-2002-2257?: Stack-based buffer overflow in the parse_field function in cgi_lib.c for LIBCGI 1.0.2 and 1.0.3 allows remote attackers to execute arbitrary code via a long argument.
How severe is CVE-2002-2257?: CVE-2002-2257 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2002-2257 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-2257?: CVE-2002-2257 primarily affects Tuxbr Libcgi. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-2257?: 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-2002-2257 published?: CVE-2002-2257 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:tuxbr:libcgi:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:tuxbr:libcgi:1.0.3:*:*:*:*:*:*:*

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