{"api_version":"1","generated_at":"2026-04-23T04:12:06+00:00","cve":"CVE-2022-1520","urls":{"html":"https://cve.report/CVE-2022-1520","api":"https://cve.report/api/cve/CVE-2022-1520.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-1520","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-1520"},"summary":{"title":"CVE-2022-1520","description":"When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B. This vulnerability affects Thunderbird < 91.9.","state":"PUBLIC","assigner":"security@mozilla.org","published_at":"2022-12-22 20:15:00","updated_at":"2023-08-08 14:22:00"},"problem_types":["NVD-CWE-Other"],"metrics":[],"references":[{"url":"https://www.mozilla.org/security/advisories/mfsa2022-18/","name":"https://www.mozilla.org/security/advisories/mfsa2022-18/","refsource":"MISC","tags":[],"title":"Security Vulnerabilities fixed in Thunderbird 91.9 — Mozilla","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1745019","name":"https://bugzilla.mozilla.org/show_bug.cgi?id=1745019","refsource":"MISC","tags":[],"title":"Access Denied","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-1520","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-1520","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"1520","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"mozilla","cpe5":"thunderbird","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2022-1520","qid":"159780","title":"Oracle Enterprise Linux Security Update for thunderbird (ELSA-2022-1730)"},{"cve":"CVE-2022-1520","qid":"159781","title":"Oracle Enterprise Linux Security Update for thunderbird (ELSA-2022-1725)"},{"cve":"CVE-2022-1520","qid":"159940","title":"Oracle Enterprise Linux Security Update for thunderbird (ELSA-2022-4589)"},{"cve":"CVE-2022-1520","qid":"179299","title":"Debian Security Update for thunderbird (DSA 5141-1)"},{"cve":"CVE-2022-1520","qid":"179309","title":"Debian Security Update for thunderbird (DLA 3020-1)"},{"cve":"CVE-2022-1520","qid":"183388","title":"Debian Security Update for thunderbird (CVE-2022-1520)"},{"cve":"CVE-2022-1520","qid":"198797","title":"Ubuntu Security Notification for Thunderbird Vulnerabilities (USN-5435-1)"},{"cve":"CVE-2022-1520","qid":"240266","title":"Red Hat Update for thunderbird (RHSA-2022:1724)"},{"cve":"CVE-2022-1520","qid":"240267","title":"Red Hat Update for thunderbird (RHSA-2022:1726)"},{"cve":"CVE-2022-1520","qid":"240268","title":"Red Hat Update for thunderbird (RHSA-2022:1730)"},{"cve":"CVE-2022-1520","qid":"240269","title":"Red Hat Update for thunderbird (RHSA-2022:1725)"},{"cve":"CVE-2022-1520","qid":"240347","title":"Red Hat Update for thunderbird (RHSA-2022:4589)"},{"cve":"CVE-2022-1520","qid":"257165","title":"CentOS Security Update for thunderbird (CESA-2022:1725)"},{"cve":"CVE-2022-1520","qid":"296064","title":"Oracle Solaris 11.4 Support Repository Update (SRU) 46.119.2 Missing (CPUAPR2022)"},{"cve":"CVE-2022-1520","qid":"376578","title":"Mozilla Thunderbird Multiple Vulnerabilities (MFSA2022-18)"},{"cve":"CVE-2022-1520","qid":"502389","title":"Alpine Linux Security Update for thunderbird"},{"cve":"CVE-2022-1520","qid":"505456","title":"Alpine Linux Security Update for thunderbird"},{"cve":"CVE-2022-1520","qid":"710585","title":"Gentoo Linux Mozilla Thunderbird Multiple Vulnerabilities (GLSA 202208-14)"},{"cve":"CVE-2022-1520","qid":"753190","title":"SUSE Enterprise Linux Security Update for MozillaThunderbird (SUSE-SU-2022:1719-1)"},{"cve":"CVE-2022-1520","qid":"940492","title":"AlmaLinux Security Update for thunderbird (ALSA-2022:1730)"},{"cve":"CVE-2022-1520","qid":"960123","title":"Rocky Linux Security Update for thunderbird (RLSA-2022:1730)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2022-1520","ASSIGNER":"security@mozilla.org","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Mozilla","product":{"product_data":[{"product_name":"Thunderbird","version":{"version_data":[{"version_value":"91.9","version_affected":"<"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Incorrect security status shown after viewing an attached email"}]}]},"references":{"reference_data":[{"url":"https://www.mozilla.org/security/advisories/mfsa2022-18/","refsource":"MISC","name":"https://www.mozilla.org/security/advisories/mfsa2022-18/"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1745019","refsource":"MISC","name":"https://bugzilla.mozilla.org/show_bug.cgi?id=1745019"}]},"description":{"description_data":[{"lang":"eng","value":"When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B. This vulnerability affects Thunderbird < 91.9."}]}},"nvd":{"publishedDate":"2022-12-22 20:15:00","lastModifiedDate":"2023-08-08 14:22:00","problem_types":["NVD-CWE-Other"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":1.4}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*","versionEndExcluding":"91.9","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}