CVE-2020-25691
A flaw was found in darkhttpd. Invalid error handling allows remote attackers to cause denial-of...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-25691- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-755
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-25691- Weakness
- CWE-755
- Updated
- 2026-11-02
EUVDEUVD-2020-18352 No score
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.
- Record
EUVD-2020-18352- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4h33-v95w-8vh4
A flaw was found in darkhttpd. Invalid error handling allows remote attackers to cause denial-of...
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.
- Record
GHSA-4h33-v95w-8vh4- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-755
- Updated
- 2026-11-02
OSVALPINE-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.
- Record
ALPINE-CVE-2020-25691- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
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.
- Record
CVE-2020-25691- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
darkhttpdAlpine:v3.16 |
before 1.14-r0 | 1.14-r0 |
darkhttpdAlpine:v3.17 |
before 1.14-r0 | 1.14-r0 |
darkhttpdAlpine:v3.18 |
before 1.14-r0 | 1.14-r0 |
darkhttpdAlpine:v3.19 |
before 1.14-r0 | 1.14-r0 |
darkhttpdAlpine:v3.20 |
before 1.14-r0 | 1.14-r0 |
darkhttpdAlpine:v3.21 |
before 1.14-r0 | 1.14-r0 |
darkhttpdAlpine:v3.22 |
before 1.14-r0 | 1.14-r0 |
darkhttpdAlpine:v3.23 |
before 1.14-r0 | 1.14-r0 |
darkhttpdAlpine:v3.24 |
before 1.14-r0 | 1.14-r0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-25691 is a high vulnerability (CVSS 7.5) in Unix4lyfe Darkhttpd, published April 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.32%, the 70th percentile. Fixed in darkhttpd 1.14-r0.