CVE-2020-5740
Improper Input Validation in Plex Media Server on Windows allows a local, unauthenticated...
CVE-2020-5740 is a high vulnerability (CVSS 7.8) in Plex Media Server, published April 22, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.75%, the 54th percentile. No source names a fixed version.
Improper Input Validation in Plex Media Server on Windows allows a local, unauthenticated attacker to execute arbitrary Python code with SYSTEM privileges.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Improper Input Validation in Plex Media Server on Windows allows a local, unauthenticated attacker to execute arbitrary Python code with SYSTEM privileges.
- Record
CVE-2020-5740- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-427
- Updated
- 2026-11-02
CVE List No score
Improper Input Validation in Plex Media Server on Windows allows a local, unauthenticated attacker to execute arbitrary Python code with SYSTEM privileges.
- Record
CVE-2020-5740- Updated
- 2026-11-02
EUVDEUVD-2020-26899 No score
Improper Input Validation in Plex Media Server on Windows allows a local, unauthenticated attacker to execute arbitrary Python code with SYSTEM privileges.
- Record
EUVD-2020-26899- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qmvf-m2cm-gm9v
Improper Input Validation in Plex Media Server on Windows allows a local, unauthenticated...
Improper Input Validation in Plex Media Server on Windows allows a local, unauthenticated attacker to execute arbitrary Python code with SYSTEM privileges.
- Record
GHSA-qmvf-m2cm-gm9v- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20, CWE-427
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |