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Fencer Intel
critical 9.8

CVE-2020-28926 in the critical feed json

ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution.

published 5y ago modified 4mo ago also EUVD-2020-21314

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
13.1%
EPSS 13.1% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

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.

Patch / fix

  • readymedia_project readymedia 1.3.0
  • minidlna Debian 14, Debian 13, Debian 12 1.2.1+dfsg-3

debian advisories DEBIAN-CVE-2020-28926

  • minidlna Ubuntu 16.04 LTS 1.1.5+dfsg-2ubuntu0.1
  • minidlna Ubuntu 18.04 LTS 1.2.1+dfsg-1ubuntu0.18.04.1
  • minidlna Ubuntu 20.04 LTS 1.2.1+dfsg-1ubuntu0.20.04.1

ubuntu advisories UBUNTU-CVE-2020-28926

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • minidlna openSUSE Tumbleweed 1.3.0-2.7
  • minidlna Package Hub 15 SP1 1.3.0-bp151.2.3.1
  • minidlna Package Hub 15 SP2 1.3.0-bp152.4.3.1
  • minidlna openSUSE Leap 15.1 1.3.0-lp151.3.3.1
  • minidlna openSUSE Leap 15.2 1.3.0-lp152.4.3.1

opensuse advisories openSUSE-SU-2024:11050-1openSUSE-SU-2020:2226-1openSUSE-SU-2020:2204-1openSUSE-SU-2020:2194-1openSUSE-SU-2020:2160-1

  • minidlna Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 1.2.1-r2

alpine advisories ALPINE-CVE-2020-28926

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • minidlna Arch Linux 1.3.0-1

arch linux advisories AVG-1321

Is CVE-2020-28926 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.

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Exploit prediction

13.11% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • rootshellsecurity.net https://www.rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

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.