CVE-2020-28926

Name: CVE-2020-28926
Creator: NVD / NIST
Published: 2020-11-30T18:15:11.473+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 14.34%

Last modified Jun 17, 2026

CVE-2020-28926 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.. EPSS estimates a 14.34% chance of exploitation in the next 30 days.

Description

ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

14.34%

96.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-120

Affected Software

Vendor	Product	Versions
Readymedia Project	Readymedia	< 1.3.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

https://lists.debian.org/debian-lts-announce/2020/12/msg00017.htmlMailing List, Third Party Advisory
https://sourceforge.net/projects/minidlna/Third Party Advisory
https://www.debian.org/security/2020/dsa-4806Third Party Advisory
https://www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00017.htmlMailing List, Third Party Advisory
https://sourceforge.net/projects/minidlna/Third Party Advisory
https://www.debian.org/security/2020/dsa-4806Third Party Advisory
https://www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/Exploit, Third Party Advisory

Timeline

Published: Nov 30, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28926?

How severe is CVE-2020-28926?

CVE-2020-28926 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 14.34% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28926?

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-2020-28926?

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

Scan your code now

Source: NVD / NIST