{"id":"CVE-2019-3787","published":"2019-06-19T22:28:07Z","modified":"2024-09-16T21:57:57Z","title":"UAA defaults email address to an insecure domain","vendor":"Cloud Foundry","product":"UAA Release (OSS)","tier":"core","eol":null,"affectedVersions":[{"vendor":"Cloud Foundry","product":"UAA Release (OSS)","versions":[">= All, < v73.0.0"]}],"description":{"text":"Cloud Foundry UAA, versions prior to 73.0.0, falls back to appending “unknown.org” to a user's email address when one is not provided and the user name does not contain an @ character. This domain is held by a private company, which leads to attack vectors including password recovery emails sent to a potentially fraudulent address. This would allow the attacker to gain complete control of the user's account.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":8.3,"severity":"HIGH","version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.01102,"percentile":0.65601,"date":"2026-10-28","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-840","name":"Business Logic Errors"}],"references":[{"url":"https://www.cloudfoundry.org/blog/cve-2019-3787","tags":["x_refsource_CONFIRM"]}],"techniques":[{"id":"T1552","name":"Unsecured Credentials","tactics":["credential-access"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve"],"basisDetail":"CTID attack_to_cve (Phase 2)","mappingType":"primary_impact","evidence":[],"confidence":"high"},{"id":"T1078","name":"Valid Accounts","tactics":["initial-access","persistence","privilege-escalation","stealth"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve"],"basisDetail":"CTID attack_to_cve (Phase 2)","mappingType":"secondary_impact","evidence":[],"confidence":"high"},{"id":"T1098","name":"Account Manipulation","tactics":["persistence","privilege-escalation"],"provenance":"source","basis":"ctid-cve","bases":["ctid-cve"],"basisDetail":"CTID attack_to_cve (Phase 2)","mappingType":"secondary_impact","evidence":[],"confidence":"high"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2019-13418","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-13418","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"primary","techniques":["T1552"],"provenance":"source"},{"stage":"secondary","techniques":["T1078","T1098"],"provenance":"source"}],"timeline":[{"date":"2019-06-19","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2019-3787","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":18.9,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":13.12,"detail":"percentile 0.6560"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":5.81,"detail":"base score 8.3"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}