{"id":"CVE-2021-1630","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-1630","generatedAt":"2026-10-27T22:25:40.863Z","title":"XML external entity (XXE) vulnerability affecting certain versions of a Mule runtime component that may affect CloudHub, GovCloud, Runtime Fabric, Pivotal Cloud Foundry, Private Cloud Edition, and on-premise customers.","description":"XML external entity (XXE) vulnerability affecting certain versions of a Mule runtime component that may affect CloudHub, GovCloud, Runtime Fabric, Pivotal Cloud Foundry, Private Cloud Edition, and on-premise customers.","published":"2021-08-05T21:15:10.000Z","lastModified":"2026-06-17T03:32:12.000Z","status":"Modified","sourceIdentifier":"security@salesforce.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-611"],"affected":["salesforce/mule"],"epss":{"score":0.01074,"percentile":0.64718,"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 (1.07%). 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=000362693&type=1&mode=1","tags":["Vendor Advisory"],"source":"security@salesforce.com"},{"url":"https://help.salesforce.com/articleView?id=000362693&type=1&mode=1","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-1630","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."}