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Public proof of conceptFix available

CVE-2020-28926

A public proof of concept exists; no exploitation attested.

  • Published2020-11-30
  • WeaknessCWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-11-3018:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-28926?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-28926?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published
10.0= 10.0no fix published
Readymedia project readymedia
BranchAffectedFixed in
1.3< 1.3.01.3.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • minidlnaUbuntu:20.04:LTSall versions · fixed in 1.2.1+dfsg-1ubuntu0.20.04.1
  • minidlnaUbuntu:18.04:LTSall versions · fixed in 1.2.1+dfsg-1ubuntu0.18.04.1
  • minidlnaUbuntu:16.04:LTSall versions · fixed in 1.1.5+dfsg-2ubuntu0.1
  • minidlnaSUSE:Package Hub 15 SP2all versions · fixed in 1.3.0-bp152.4.3.1
  • minidlnaSUSE:Package Hub 15 SP1all versions · fixed in 1.3.0-bp151.2.3.1
  • minidlnaopenSUSE:Tumbleweedall versions · fixed in 1.3.0-2.7
  • minidlnaopenSUSE:Leap 15.2all versions · fixed in 1.3.0-lp152.4.3.1
  • minidlnaopenSUSE:Leap 15.1all versions · fixed in 1.3.0-lp151.3.3.1

20 more package ranges on OSV.dev

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedlorsanta/exploit-CVE-2020-28926
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.07.5read 2026-10-23
  • NVDweakness (CWE)CWE-120read 2026-10-23
  • FIRST EPSSEPSS score13.1 %read 2026-11-03
  • PoC-in-GitHubproof of concept1read 2026-11-03
  • OSVaffected packages—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2020-11-30
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-28926?

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.

Is CVE-2020-28926 actively exploited?

Active exploitation of CVE-2020-28926 has not been confirmed. Its EPSS score was 13.1% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-28926?

CVE-2020-28926 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record