CVE-2020-25691
CVE-2020-25691 is a high-severity vulnerability in Unix4lyfe Darkhttpd with a CVSS 3.x base score of 7.5. 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-755.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (66th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-755
- Affected product: Unix4lyfe Darkhttpd
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2020-25691?
- 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.
- How severe is CVE-2020-25691?
- CVE-2020-25691 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-25691 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-25691?
- CVE-2020-25691 affects Unix4lyfe Darkhttpd. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-25691?
- 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-2020-25691 published?
- CVE-2020-25691 was published on 2022-04-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:unix4lyfe:darkhttpd:*:*:*:*:*:*:*:*
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