CVE-2021-32832

low-risk
Published 2021-08-30

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.

Do I need to act?

~
1.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Rocket.Chat

References (8)

Vendor Advisory https://docs.rocket.chat/guides/security/security-updates
Patch https://github.com/RocketChat/Rocket.Chat/commit/4a0dce973e37ec3f56ca2231d603051...
Release Notes https://github.com/RocketChat/Rocket.Chat/releases/tag/3.11.3
Exploit https://securitylab.github.com/advisories/GHSL-2020-310-redos-Rocket.Chat/
Vendor Advisory https://docs.rocket.chat/guides/security/security-updates
Patch https://github.com/RocketChat/Rocket.Chat/commit/4a0dce973e37ec3f56ca2231d603051...
Release Notes https://github.com/RocketChat/Rocket.Chat/releases/tag/3.11.3
Exploit https://securitylab.github.com/advisories/GHSL-2020-310-redos-Rocket.Chat/
26
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 3/34 · Minimal
Exposure 5/34 · Minimal