CVE-2020-29594

Name: CVE-2020-29594
Creator: NVD / NIST
Published: 2020-12-30T07:15:12.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.61%

Last modified Jun 17, 2026

CVE-2020-29594 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Rocket.Chat before 0.74.4, 1.x before 1.3.4, 2.x before 2.4.13, 3.x before 3.7.3, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 mishandles SAML login.. EPSS estimates a 1.61% chance of exploitation in the next 30 days.

Description

Rocket.Chat before 0.74.4, 1.x before 1.3.4, 2.x before 2.4.13, 3.x before 3.7.3, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 mishandles SAML login.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.61%

72.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Rocket.Chat	Rocket.Chat	< 0.74.4
Rocket.Chat	Rocket.Chat	>= 1.0.0, < 1.3.4
Rocket.Chat	Rocket.Chat	>= 2.0.0, < 2.4.13
Rocket.Chat	Rocket.Chat	>= 3.0.0, < 3.7.3
Rocket.Chat	Rocket.Chat	>= 3.8.0, < 3.8.3
Rocket.Chat	Rocket.Chat	>= 3.9.0, < 3.9.1

References

https://github.com/RocketChat/Rocket.Chat/compare/3.8.2...3.8.3Patch, Third Party Advisory
https://github.com/RocketChat/Rocket.Chat/releases/tag/3.9.1Third Party Advisory
https://github.com/RocketChat/Rocket.Chat/compare/3.8.2...3.8.3Patch, Third Party Advisory
https://github.com/RocketChat/Rocket.Chat/releases/tag/3.9.1Third Party Advisory

Timeline

Published: Dec 30, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-29594?

Rocket.Chat before 0.74.4, 1.x before 1.3.4, 2.x before 2.4.13, 3.x before 3.7.3, 3.8.x before 3.8.3, and 3.9.x before 3.9.1 mishandles SAML login.

How severe is CVE-2020-29594?

CVE-2020-29594 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.61% probability of exploitation in the next 30 days.

How do I fix CVE-2020-29594?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-29594?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST