CVE-2021-22910Public exploitNetwork attack vector

Authenticated command execution via unfiltered MongoDB operators

Published Aug 9, 2021 · Updated Aug 3, 2024

NoSQL injection in Rocket.Chat server before 3.11.4, 3.12.0 through 3.12.3, and 3.13.0 through 3.13.1 allows remote authenticated users to execute arbitrary commands. The users.list endpoint passes its query into MongoDB after a field blocklist that fails to reject the top-level $where operator, allowing injected JavaScript to expose user secrets through error messages. Any authenticated account can leak an administrator's password hash and two-factor secret, reset that account, and use scripted integrations to run host commands.

CVSS severity9.8
Critical
EPSS probability2.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

NoSQL injection in Rocket.Chat server before 3.11.4, 3.12.0 through 3.12.3, and 3.13.0 through 3.13.1 allows remote authenticated users to execute arbitrary commands. The users.list endpoint passes its query into MongoDB after a field blocklist that fails to reject the top-level $where operator, allowing injected JavaScript to expose user secrets through error messages. Any authenticated account can leak an administrator's password hash and two-factor secret, reset that account, and use scripted integrations to run host commands.

The record

CVE
CVE-2021-22910
Published
Aug 9, 2021
Updated
Aug 3, 2024
Vendor
Rocket.Chat Technologies Corp.
Product
Rocket.Chat
Classifications
CWE-75, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 9, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Fixed versions: 3.13.2, 3.12.4, 3.11.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Rocket.Chat Technologies Corp. · Rocket.Chatversion=Fixed versions: 3.13.2, 3.12.4, 3.11.4

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5NIST NVDAV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-75Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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