CVE-2021-33959

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Plex media server 1.21 and before is vulnerable to ddos reflection attack via plex service.

Plex Media Server en las versiones 1.21 y anteriores es vulnerable a un ataque DDos de reflexión a través del servicio plex.

*Credits: N/A

CVSS Scores

NISTv3.1 7.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-07 CVE Reserved
2023-01-18 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-08-10 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-346: Origin Validation Error

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://github.com/lixiang957/CVE-2021-33959	2024-08-04
https://www.freebuf.com/articles/web/260338.html	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Plex Search vendor "Plex"		Media Server Search vendor "Plex" for product "Media Server"				<= 1.21 Search vendor "Plex" for product "Media Server" and version " <= 1.21"		-		Affected