CVE-2020-29596

Name: CVE-2020-29596
Creator: NVD / NIST
Published: 2020-12-21T22:15:13.487+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.66%

Last modified Jun 17, 2026

CVE-2020-29596 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.66% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.66%

83.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Miniweb Http Server Project	Miniweb Http Server	0.8.19

References

https://packetstormsecurity.com/files/160470/MiniWeb-HTTP-Server-0.8.19-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
https://securityforeveryone.com/blog/miniweb-http-server-vulnerability-0-day-cve-2020-29596Third Party Advisory
https://sourceforge.net/projects/miniweb/files/miniweb/0.8/Product, Third Party Advisory
https://www.exploit-db.com/exploits/49247Exploit, Third Party Advisory, VDB Entry
https://packetstormsecurity.com/files/160470/MiniWeb-HTTP-Server-0.8.19-Buffer-Overflow.htmlExploit, Third Party Advisory, VDB Entry
https://securityforeveryone.com/blog/miniweb-http-server-vulnerability-0-day-cve-2020-29596Third Party Advisory
https://sourceforge.net/projects/miniweb/files/miniweb/0.8/Product, Third Party Advisory
https://www.exploit-db.com/exploits/49247Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Dec 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2020-29596?

CVE-2020-29596 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.66% probability of exploitation in the next 30 days.

How do I fix CVE-2020-29596?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-29596?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST