{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-5020","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","state":"PUBLISHED","assignerShortName":"mozilla","dateReserved":"2025-05-21T01:18:07.391Z","datePublished":"2025-05-21T17:18:08.510Z","dateUpdated":"2026-04-13T14:30:18.166Z"},"containers":{"cna":{"affected":[{"product":"Firefox for iOS","vendor":"Mozilla","versions":[{"status":"unaffected","version":"139","lessThanOrEqual":"*","versionType":"rpm"}]}],"descriptions":[{"lang":"en","value":"Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client. This vulnerability was fixed in Firefox for iOS 139.","supportingMedia":[{"type":"text/html","base64":false,"value":"Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client. This vulnerability was fixed in Firefox for iOS 139."}]}],"title":"Links using non-HTTP schemes opened from other apps such as Safari could have allowed spoofing of website addresses","references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1951558"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-39/"}],"credits":[{"lang":"en","value":"James Lee"}],"providerMetadata":{"orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","shortName":"mozilla","dateUpdated":"2026-04-13T14:30:18.166Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-939","lang":"en","description":"CWE-939 Improper Authorization in Handler for Custom URL Scheme"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-05-21T18:58:50.193524Z","id":"CVE-2025-5020","options":[{"Exploitation":"none"},{"Automatable":"no"},{"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":"2025-05-21T19:00:28.104Z"}}]}}