CVE-2020-29596 json
MiniWeb HTTP server 0.8.19 allows remote attackers to cause a denial of service (daemon crash) via a long name for the first parameter in a…
published 5y ago modified 4mo ago also EUVD-2020-21957
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.7%
- EPSS 2.7% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
MiniWeb HTTP server 0.8.19 allows remote attackers to cause a denial of service (daemon crash) via a long name for the first parameter in a POST request.
Is CVE-2020-29596 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
2.69% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- packetstormsecurity.com https://packetstormsecurity.com/files/160470/MiniWeb-HTTP-Server-0.8.19-Buffer-Overflow.html referenced PoC, tagged "exploit" by a source, unverified
- exploit-db.com https://www.exploit-db.com/exploits/49247 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
packetstormsecurity.com
/files/160470/MiniWeb-HTTP-Server-0.8.19-Buffer-Overflow.html
exploit, third-party-advisory, vdb-entry
-
exploit-db.com
/exploits/49247
exploit, third-party-advisory, vdb-entry
-
sourceforge.net
/projects/miniweb/files/miniweb/0.8/
product, third-party-advisory
-
securityforeveryone.com
/blog/miniweb-http-server-vulnerability-0-day-cve-2020-29596
third-party-advisory
Sources
- CVE List CVE-2020-29596
- NVD CVE-2020-29596
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.