Vulnerability Report

CVE-2021-32832

Title: Regular Expression Denial of Service (ReDoS) in Rocket.Chat

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2021-32832.

CWE Category CWE-400
Published Date Aug 30, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 4.3 CVSS v3.1
Exploit Probability (EPSS)
1.57%

Vulnerability Summary

CVE-2021-32832: 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.

Impacted Vendors

R
rocket.chat 1
R
rocketchat 1

Reference Links

https://docs.rocket.chat/guides/security/security-updates https://github.com/RocketChat/Rocket.Chat/commit/4a0dce973e37ec3f56ca2231d6030511dbdd094c https://github.com/RocketChat/Rocket.Chat/releases/tag/3.11.3 https://securitylab.github.com/advisories/GHSL-2020-310-redos-Rocket.Chat/ https://docs.rocket.chat/guides/security/security-updates https://github.com/RocketChat/Rocket.Chat/commit/4a0dce973e37ec3f56ca2231d6030511dbdd094c https://github.com/RocketChat/Rocket.Chat/releases/tag/3.11.3 https://securitylab.github.com/advisories/GHSL-2020-310-redos-Rocket.Chat/
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:S/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-32832 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected Stack

No specific products linked.