# 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.

- Page: https://www.vulneraibility.com/cve/CVE-2021-22911
- CVSS: 9.8
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 95.24% (percentile 99.9)
- Public exploit code: 2 on Exploit-DB · 11 GitHub proofs of concept · 1 Nuclei template (first 2021-06-05)
- Weakness: CWE-75
- Published: 2021-05-27

## Affected versions

- Rocket.Chat server: affected Fixed in: 3.13.2, 3.12.4, 3.11.4

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://hackerone.com/reports/1130721
- [other] http://packetstormsecurity.com/files/162997/Rocket.Chat-3.12.1-NoSQL-Injection-Code-Execution.html
- [other] http://packetstormsecurity.com/files/163419/Rocket.Chat-3.12.1-NoSQL-Injection-Code-Execution.html
- [other] https://blog.sonarsource.com/nosql-injections-in-rocket-chat

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.