CVE-2021-32832

ReDOS in Rocket.Chat

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Rocket.Chat is an open-source fully customizable communications platform developed in JavaScript. In Rocket.Chat before versions 3.11.3, 3.12.2, and 3.13 an issue with certain regular expressions could lead potentially to Denial of Service. This was fixed in versions 3.11.3, 3.12.2, and 3.13.

Rocket.Chat es una plataforma de comunicaciones de código abierto totalmente personalizable y desarrollada en JavaScript. En Rocket.Chat versiones anteriores a 3.11.3, 3.12.2 y 3.13, un problema con determinadas expresiones regulares podía conllevar potencialmente a una denegación de servicio. Esto fue corregido en versiones 3.11.3, 3.12.2 y 3.13.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-05-12 CVE Reserved
2021-08-30 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (4)

URL	Tag	Source
https://github.com/RocketChat/Rocket.Chat/releases/tag/3.11.3	Release Notes

URL	Date	SRC
https://securitylab.github.com/advisories/GHSL-2020-310-redos-Rocket.Chat	2024-08-03

URL	Date	SRC
https://github.com/RocketChat/Rocket.Chat/commit/4a0dce973e37ec3f56ca2231d6030511dbdd094c	2021-09-08

URL	Date	SRC
https://docs.rocket.chat/guides/security/security-updates	2021-09-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Rocket.chat Search vendor "Rocket.chat"		Rocket.chat Search vendor "Rocket.chat" for product "Rocket.chat"				< 3.11.3 Search vendor "Rocket.chat" for product "Rocket.chat" and version " < 3.11.3"		-		Affected
Rocket.chat Search vendor "Rocket.chat"		Rocket.chat Search vendor "Rocket.chat" for product "Rocket.chat"				>= 3.12.0 < 3.12.2 Search vendor "Rocket.chat" for product "Rocket.chat" and version " >= 3.12.0 < 3.12.2"		-		Affected