9.8

CVE-2020-28926: debian debian_linux Classic Buffer Overflow

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2020-28926DEBIAN-CVE-2020-28926
Published 30-11-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-28926 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in debian debian_linux. EPSS estimates a 13.22% chance of exploitation in the next 30 days, higher than 96.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
13.22%
0%100%
Medium · +0.35 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 9 · Related 6
DLA-2489-1DSA-4806-1MGASA-2020-0483OPENSUSE-SU-2020:2160-1OPENSUSE-SU-2020:2194-1OPENSUSE-SU-2020:2204-1

Timeline

  1. 30-11-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

13.22%

Chance of exploitation in the next 30 days

Percentile

96%

Versus all other CVEs

30-day change

+0.35 pp

From 12.87% on 19-09-2026

19-09-202619-10-2026
EPSS score
13.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (rootshellsecurity.net)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Readymedia_project1 product
Ubuntu1 product
  • minidlna< 1.1.5+dfsg-2ubuntu0.1 | < 1.2.1+dfsg-1ubuntu0.18.04.1 | < 1.2.1+dfsg-1ubuntu0.20.04.1

3 vendors · 4 products

References

9 links