{"id":"CVE-2021-22911","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-22911","generatedAt":"2026-10-27T22:32:58.241Z","title":"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.","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.","published":"2021-05-27T12:15:08.000Z","lastModified":"2026-06-17T03:38:00.000Z","status":"Modified","sourceIdentifier":"support@hackerone.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-75"],"affected":["rocket.chat/rocket.chat"],"epss":{"score":0.95242,"percentile":0.99864,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":2,"verified":true,"firstPublished":"2021-06-07","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":50108,"kind":"exploit","title":"Rocket.Chat 3.12.1 - NoSQL Injection to RCE (Unauthenticated) (2)","url":"https://www.exploit-db.com/exploits/50108","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/webapps/50108.py","file":"exploits/linux/webapps/50108.py","published":"2021-07-07","added":"2021-07-07","updated":"2021-07-07","author":"enox","type":"webapps","platform":"linux","port":null,"verified":true,"codes":["CVE-2021-22911"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null},{"edbId":49960,"kind":"exploit","title":"Rocket.Chat 3.12.1 - NoSQL Injection (Unauthenticated)","url":"https://www.exploit-db.com/exploits/49960","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/webapps/49960.py","file":"exploits/linux/webapps/49960.py","published":"2021-06-07","added":"2021-06-07","updated":"2021-10-28","author":"enox","type":"webapps","platform":"linux","port":null,"verified":true,"codes":["CVE-2021-22911"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 95.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/162997/Rocket.Chat-3.12.1-NoSQL-Injection-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"support@hackerone.com"},{"url":"http://packetstormsecurity.com/files/163419/Rocket.Chat-3.12.1-NoSQL-Injection-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"support@hackerone.com"},{"url":"https://blog.sonarsource.com/nosql-injections-in-rocket-chat","tags":["Exploit","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"https://hackerone.com/reports/1130721","tags":["Exploit","Third Party Advisory"],"source":"support@hackerone.com"},{"url":"http://packetstormsecurity.com/files/162997/Rocket.Chat-3.12.1-NoSQL-Injection-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/163419/Rocket.Chat-3.12.1-NoSQL-Injection-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://blog.sonarsource.com/nosql-injections-in-rocket-chat","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://hackerone.com/reports/1130721","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22911","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}