CVE-2021-22911

Name: CVE-2021-22911
Creator: NVD / NIST
Published: 2021-05-27T12:15:08.153+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 95.24%

Last modified Jun 17, 2026

CVE-2021-22911 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A improper input sanitization vulnerability exists in Rocket.Chat server 3.11, 3.12 & 3.13 that could lead to unauthenticated NoSQL injection, resulting potentially in RCE.. EPSS estimates a 95.24% chance of exploitation in the next 30 days.

Description

A improper input sanitization vulnerability exists in Rocket.Chat server 3.11, 3.12 & 3.13 that could lead to unauthenticated NoSQL injection, resulting potentially in RCE.

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

95.24%

99.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-75

Affected Software

Vendor	Product	Versions
Rocket.Chat	Rocket.Chat	3.11.0
Rocket.Chat	Rocket.Chat	3.12.0
Rocket.Chat	Rocket.Chat	3.13.0

References

http://packetstormsecurity.com/files/162997/Rocket.Chat-3.12.1-NoSQL-Injection-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/163419/Rocket.Chat-3.12.1-NoSQL-Injection-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://blog.sonarsource.com/nosql-injections-in-rocket-chatExploit, Third Party Advisory
https://hackerone.com/reports/1130721Exploit, Third Party Advisory
http://packetstormsecurity.com/files/162997/Rocket.Chat-3.12.1-NoSQL-Injection-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/163419/Rocket.Chat-3.12.1-NoSQL-Injection-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
https://blog.sonarsource.com/nosql-injections-in-rocket-chatExploit, Third Party Advisory
https://hackerone.com/reports/1130721Exploit, Third Party Advisory

Timeline

Published: May 27, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-22911?

A improper input sanitization vulnerability exists in Rocket.Chat server 3.11, 3.12 & 3.13 that could lead to unauthenticated NoSQL injection, resulting potentially in RCE.

How severe is CVE-2021-22911?

CVE-2021-22911 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 95.24% probability of exploitation in the next 30 days.

How do I fix CVE-2021-22911?

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-2021-22911?

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

Scan your code now

Source: NVD / NIST