CVE-2020-25691

HIGHNVD 7.57.5—

7.5

A flaw was found in darkhttpd. Invalid error handling allows remote attackers to cause denial-of-service by accessing a file with a large modification date. The highest threat from this vulnerability is to system availability.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 64.8%
KEV: Not listed

Published

April 1, 2022

Last Modified

November 21, 2024

References (2)

secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=1893725
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1893725

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-755Improper Handling of Exceptional Conditions

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 00:40 UTCEG score recompute
2026-05-26 00:40 UTCGHSA enrichment
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-25691?

CVE-2020-25691 is a high vulnerability published on April 1, 2022. A flaw was found in darkhttpd. Invalid error handling allows remote attackers to cause denial-of-service by accessing a file with a large modification date. The highest threat from this vulnerability is to system availability.

When was CVE-2020-25691 disclosed?

CVE-2020-25691 was first published in the National Vulnerability Database on April 1, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-25691 actively exploited?

CVE-2020-25691 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-25691?

CVE-2020-25691 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2020-25691?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-25691, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-25691

📅 Published

🔄 Last Modified

🔗 References (2)