{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-5770","assignerOrgId":"d83a79dd-e128-4b83-8b64-84faf54eed46","state":"PUBLISHED","assignerShortName":"Proofpoint","dateReserved":"2023-10-25T17:57:53.751Z","datePublished":"2024-01-09T22:02:03.839Z","dateUpdated":"2025-06-03T14:29:46.790Z"},"containers":{"cna":{"affected":[{"defaultStatus":"affected","modules":["Email Delivery Agent"],"product":"Proofpoint Enterprise Protection","vendor":"Proofpoint","versions":[{"changes":[{"at":"patch 4809","status":"unaffected"}],"lessThan":"patch 4809","status":"affected","version":"8.20.2","versionType":"semver"},{"changes":[{"at":"patch 4805","status":"unaffected"}],"lessThan":"patch 4805","status":"affected","version":"8.20.0","versionType":"semver"},{"changes":[{"at":"patch 4804","status":"unaffected"}],"lessThan":"patch 4804","status":"affected","version":"8.18.6","versionType":"semver"},{"lessThan":"8.18.6","status":"affected","version":"8.0","versionType":"semver"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">Proofpoint Enterprise Protection contains a vulnerability in the email delivery agent that allows an unauthenticated attacker to inject improperly encoded HTML into the email body of a message through the email subject.  The vulnerability is caused by inappropriate encoding when rewriting the email before delivery.</span><p>This issue affects Proofpoint Enterprise Protection: from 8.20.2 before patch 4809, from 8.20.0 before patch 4805, from 8.18.6 before patch 4804 and all other prior versions.</p>"}],"value":"Proofpoint Enterprise Protection contains a vulnerability in the email delivery agent that allows an unauthenticated attacker to inject improperly encoded HTML into the email body of a message through the email subject.  The vulnerability is caused by inappropriate encoding when rewriting the email before delivery.This issue affects Proofpoint Enterprise Protection: from 8.20.2 before patch 4809, from 8.20.0 before patch 4805, from 8.18.6 before patch 4804 and all other prior versions.\n\n"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-838","description":"CWE-838 Inappropriate Encoding for Output Context","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"d83a79dd-e128-4b83-8b64-84faf54eed46","shortName":"Proofpoint","dateUpdated":"2024-01-09T22:02:03.839Z"},"references":[{"url":"https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-0009"}],"source":{"discovery":"UNKNOWN"},"title":"HTML injection in email body through email subject","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T08:07:32.637Z"},"title":"CVE Program Container","references":[{"url":"https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2023-0009","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-08T18:43:41.522534Z","id":"CVE-2023-5770","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-06-03T14:29:46.790Z"}}]}}