{"id":"CVE-2022-26766","published":"2022-05-26T19:22:04Z","modified":"2025-05-30T18:52:53Z","title":"A certificate parsing issue was addressed with improved checks","vendor":"Apple","product":"watchOS","tier":"tail","description":{"text":"A certificate parsing issue was addressed with improved checks. This issue is fixed in tvOS 15.5, iOS 15.5 and iPadOS 15.5, Security Update 2022-004 Catalina, watchOS 8.6, macOS Big Sur 11.6.6, macOS Monterey 12.4. A malicious app may be able to bypass signature validation.","provenance":"source","from":"CVE.org"},"cvss":{"score":5.5,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.02808,"percentile":0.86458,"provenance":"source"},"cwes":[{"id":"CWE-295","name":"Improper Certificate Validation"}],"references":[{"url":"https://support.apple.com/en-us/HT213255","tags":["x_refsource_MISC"]},{"url":"https://support.apple.com/en-us/HT213256","tags":["x_refsource_MISC"]},{"url":"https://support.apple.com/en-us/HT213258","tags":["x_refsource_MISC"]},{"url":"https://support.apple.com/en-us/HT213253","tags":["x_refsource_MISC"]},{"url":"https://support.apple.com/en-us/HT213254","tags":["x_refsource_MISC"]},{"url":"https://support.apple.com/en-us/HT213257","tags":["x_refsource_MISC"]}],"priority":{"score":26.1,"factors":[{"name":"EPSS percentile","points":17.29},{"name":"Public exploit code","points":5.0},{"name":"CVSS severity","points":3.85}]},"exploitSources":{"pocGithub":{"count":1,"skipped":0,"earliest":"2022-07-02","earliestUrl":"https://github.com/zhuowei/CoreTrustDemo","repos":[{"name":"zhuowei/CoreTrustDemo","url":"https://github.com/zhuowei/CoreTrustDemo","stars":91,"created":"2022-07-02"}]},"first":{"date":"2022-07-02","source":"PoC-in-GitHub","url":"https://github.com/zhuowei/CoreTrustDemo"},"provenance":"source"},"vendorSlug":"apple","affectedVersions":[{"vendor":"Apple","product":"watchOS","versions":[">= unspecified, < 8.6"]},{"vendor":"Apple","product":"watchOS","versions":[">= unspecified, < 15.5"]},{"vendor":"Apple","product":"watchOS","versions":[">= unspecified, < 2022"]},{"vendor":"Apple","product":"watchOS","versions":[">= unspecified, < 11.6"]},{"vendor":"Apple","product":"watchOS","versions":[">= unspecified, < 12.4"]},{"vendor":"Apple","product":"watchOS","versions":[">= unspecified, < 15.5"]}],"euvd":{"id":"EUVD-2022-31316","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-apple-ios-macos-cwe-295"}}