Deserialization in Microsoft Windows
CVE-2020-5741
Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated attacker to execute arbitrary Python code.
Vulnerability class: Insecure Deserialization
EPSS: 0.729 (99.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows
- Plex Media_server
- N/a Plex Media Server (Windows) — versions Versions prior to 1.19.3
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- vulnreport@tenable.com (Exploit, Third Party Advisory, x_refsource_MISC)
- vulnreport@tenable.com (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2020-5741?
- CVE-2020-5741 is a high-severity vulnerability in Microsoft Windows, classified under Deserialization of Untrusted Data. CVSS score: 7.2/10. Published 2020-05-08.
- How severe is CVE-2020-5741?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2020-5741 known to be exploited?
- Yes. CVE-2020-5741 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-03-10), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.