How severe is CVE-2001-0820?

CVE-2001-0820 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-0820 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-2001-0820?

CVE-2001-0820 affects Gaztek Ghttp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0820?

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-2001-0820 published?

CVE-2001-0820 was published on 2001-12-06 and last updated on 2026-06-16.

CVE-2001-0820

CVE-2001-0820 is a high-severity vulnerability in Gaztek Ghttp with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Gaztek Ghttp
Published: 2001-12-06
Last modified: 2026-06-16

Description

Buffer overflows in GazTek ghttpd 1.4 allows a remote attacker to execute arbitrary code via long arguments that are passed to (1) the Log function in util.c, or (2) serveconnection in protocol.c.

Frequently asked questions

What is CVE-2001-0820?: Buffer overflows in GazTek ghttpd 1.4 allows a remote attacker to execute arbitrary code via long arguments that are passed to (1) the Log function in util.c, or (2) serveconnection in protocol.c.
How severe is CVE-2001-0820?: CVE-2001-0820 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0820 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-2001-0820?: CVE-2001-0820 affects Gaztek Ghttp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0820?: 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-2001-0820 published?: CVE-2001-0820 was published on 2001-12-06 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:gaztek:ghttp:1.4:*:*:*:*:*:*:*