{"id":"CVE-2022-34478","published":"2022-12-22T00:00:00Z","modified":"2025-04-15T18:14:28Z","title":"The <code>ms-msdt</code>, <code>search</code>, and <code>search-ms</code> protocols deliver content to Microsoft…","vendor":"Mozilla","product":"Firefox","tier":"core","eol":null,"affectedVersions":[{"vendor":"Mozilla","product":"Firefox","versions":[">= unspecified, < 102"]},{"vendor":"Mozilla","product":"Firefox ESR","versions":[">= unspecified, < 91.11"]},{"vendor":"Mozilla","product":"Thunderbird","versions":[">= unspecified, < 102",">= unspecified, < 91.11"]}],"description":{"text":"The <code>ms-msdt</code>, <code>search</code>, and <code>search-ms</code> protocols deliver content to Microsoft applications, bypassing the browser, when a user accepts a prompt. These applications have had known vulnerabilities, exploited in the wild (although we know of none exploited through Thunderbird), so in this release Thunderbird has blocked these protocols from prompting the user to open them.<br>*This bug only affects Thunderbird on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":6.5,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.00801,"percentile":0.56525,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2022-06-15","exploitedFirstSeen":"2022-06-15","ransomware":false,"evidence":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1773717","date":"2022-06-15"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-34478","date":"2022-12-22"}],"evidenceTotal":2,"provenance":"source"},"exploited":true,"otx":{"pulseCount":3,"pulses":[{"name":"ACTUALIZACION | SUSE-SU-2022:3281-1 | SUSE","url":"https://otx.alienvault.com/pulse/6327787449634e978dd358de","created":"2022-09-18"},{"name":"Mozilla Patches 19 Vulnerabilities with the Release of Firefox 102 in the Stable Channel","url":"https://otx.alienvault.com/pulse/62be9f346f02a39b456a8bda","created":"2022-07-01"},{"name":"ACTUALIZACION | Security Vulnerabilities fixed in Firefox 102 — Mozilla","url":"https://otx.alienvault.com/pulse/62bc814a1c8f1662f4734a0c","created":"2022-06-29"}],"provenance":"machine"},"cwes":[{"id":"CWE-601","name":"URL Redirection to Untrusted Site"}],"references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2022-24/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2022-26/","tags":[]},{"url":"https://www.mozilla.org/security/advisories/mfsa2022-25/","tags":[]},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1773717","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2022-37433","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-37433","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2022-06-15","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1773717","provenance":"source"},{"date":"2022-12-22","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2022-34478","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":52.2,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1597 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":11.3,"detail":"percentile 0.5653"},{"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":1.37,"detail":"3 pulses"},{"name":"CVSS severity","points":4.55,"detail":"base score 6.5"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}