{"id":"CVE-2021-1626","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-1626","generatedAt":"2026-10-27T22:31:54.755Z","title":"MuleSoft is aware of a Remote Code Execution vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers.","description":"MuleSoft is aware of a Remote Code Execution vulnerability affecting certain versions of a Mule runtime component that may affect both CloudHub and on-premise customers. Versions affected: Mule 4.1.x and 4.2.x runtime released before February 2, 2021.","published":"2021-03-26T17:15:13.000Z","lastModified":"2026-06-17T03:32:12.000Z","status":"Modified","sourceIdentifier":"security@salesforce.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":[],"affected":["salesforce/mule"],"epss":{"score":0.02104,"percentile":0.81608,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://help.salesforce.com/articleView?id=000357382&type=1&mode=1","tags":["Vendor Advisory"],"source":"security@salesforce.com"},{"url":"https://help.salesforce.com/articleView?id=000357382&type=1&mode=1","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-1626","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."}