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CVE-2021-22911

A improper input sanitization vulnerability exists in Rocket.Chat server 3.11, 3.12 & 3.13 that...

9.8 CriticalPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

95.2%Up 94.8 points since May 28, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

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.

Record
CVE-2021-22911
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-75
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2021-22911
Weakness
CWE-75
Updated
2026-11-02
EUVDEUVD-2021-10040 No score

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.

Record
EUVD-2021-10040
Updated
2026-11-03
GitHub AdvisoriesGHSA-fj2w-2856-965h 9.8

A improper input sanitization vulnerability exists in Rocket.Chat server 3.11, 3.12 & 3.13 that...

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.

Record
GHSA-fj2w-2856-965h
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
OSV 9.8

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.

Record
CVE-2021-22911
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubCsEnox/CVE-2021-229112021-06-05
Exploit-DBRocket.Chat 3.12.1 - NoSQL Injection (Unauthenticated)2021-06-07
Exploit-DBRocket.Chat 3.12.1 - NoSQL Injection to RCE (Unauthenticated) (2)2021-07-07
PoC in GitHuboptionalCTF/Rocket.Chat-Automated-Account-Takeover-RCE-CVE-2021-229112021-07-30
PoC in GitHubjayngng/CVE-2021-229112021-09-19
PoC in GitHubChrisPritchard/CVE-2021-22911-rust2023-04-01
PoC in GitHubMrDottt/CVE-2021-229112023-06-05
PoC in GitHubovergrowncarrot1/CVE-2021-229112023-06-19
PoC in GitHubyoohhuu/Rocket-Chat-3.12.1-PoC-CVE-2021-22911-2024-12-26
PoC in GitHuboctodi/CVE-2021-229112025-05-29
Show 5 moreShow less
Public exploits
SourceLinkDate
PoC in GitHubTeneBrae93/RocketChat-NoSQLi-Chain-CVE-2021-229112026-02-25
PoC in GitHubFaridi-m/CVE-2021-22911-RocketChat2026-03-04
PoC in GitHubroshanrajbanshi/rocketcat-cve-2021-22911-exploit2026-04-10
PoC in GitHubs1lentf00thold/CVE-2021-229112026-11-04
NucleiRocket.Chat <=3.13 - NoSQL Injection

History

History
RecordedChangedSources
exploits, factsPoC in GitHub
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, Nuclei, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-22911 is a critical vulnerability (CVSS 9.8) in Rocket.chat, published May 27, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 95.2%, the 99th percentile. No source names a fixed version.

References

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