Buffer overflow in Miniweb HTTP Server Project
CVE-2020-29596
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: +0.000
Affected products
- Miniweb HTTP Server Project — versions 0.8.19
Weakness classification (CWE)
Public proof-of-concept exploits
References
- sourceforge.net/projects/miniweb/files/miniweb/0.8/ (Product, Third Party Advisory)
- packetstormsecurity.com/files/160470/MiniWeb-HTTP-Server-0.8.19-Buffer-Overflow… (Exploit, VDB Entry, Third Party Advisory)
- www.exploit-db.com/exploits/49247 (Exploit, VDB Entry, Third Party Advisory)
- securityforeveryone.com/blog/miniweb-http-server-vulnerability-0-day-cve-2020-2… (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-29596?
- CVE-2020-29596 is a high-severity vulnerability in Miniweb HTTP Server Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2020-12-21.
- How severe is CVE-2020-29596?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-29596 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.