{"schema_version":"1","data":[{"id":3504,"advisory_id":"d62213a1-2348-4a2b-bece-1e9cbf62583f","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-1879","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:36:15.222654+00:00","extraction_method":"structured","technologies":["core-kev","ios-ipados-and-watchos"],"cve_ids":["CVE-2021-1879"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Apple iOS, iPadOS, and watchOS WebKit Cross-Site Scripting (XSS) Vulnerability","summary":"Apple iOS, iPadOS, and watchOS WebKit contain an unspecified vulnerability that allows for universal cross-site scripting (XSS) when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2021-1879","products":[{"name":{"value":"iOS, iPadOS, and watchOS","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2021-1879","aliases":["CVE-2021-1879"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-79"],"cveID":"CVE-2021-1879","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-1879","dueDate":"2021-11-17","product":"iOS, iPadOS, and watchOS","dateAdded":"2021-11-03","vendorProject":"Apple","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Apple iOS, iPadOS, and watchOS WebKit contain an unspecified vulnerability that allows for universal cross-site scripting (XSS) when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.","vulnerabilityName":"Apple iOS, iPadOS, and watchOS WebKit Cross-Site Scripting (XSS) Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2021-1879","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}},{"id":2999,"advisory_id":"3cc85867-d4df-4b31-ba87-093b03394b6f","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-9819","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:27:14.900838+00:00","extraction_method":"structured","technologies":["core-kev","ios-ipados-and-watchos"],"cve_ids":["CVE-2020-9819"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability","summary":"Apple iOS, iPadOS, and watchOS Mail contains a memory corruption vulnerability that may allow heap corruption when processing a maliciously crafted mail message. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2020-9819","products":[{"name":{"value":"iOS, iPadOS, and watchOS","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2020-9819","aliases":["CVE-2020-9819"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-787"],"cveID":"CVE-2020-9819","notes":"https://nvd.nist.gov/vuln/detail/CVE-2020-9819","dueDate":"2022-05-03","product":"iOS, iPadOS, and watchOS","dateAdded":"2021-11-03","vendorProject":"Apple","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Apple iOS, iPadOS, and watchOS Mail contains a memory corruption vulnerability that may allow heap corruption when processing a maliciously crafted mail message.","vulnerabilityName":"Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2020-9819","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}},{"id":2998,"advisory_id":"94b2ed18-16ae-4a42-b496-aabc923121b4","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-9818","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:27:14.291023+00:00","extraction_method":"structured","technologies":["core-kev","ios-ipados-and-watchos"],"cve_ids":["CVE-2020-9818"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Apple iOS, iPadOS, and watchOS Out-of-Bounds Write Vulnerability","summary":"Apple iOS, iPadOS, and watchOS Mail contains an out-of-bounds write vulnerability which may allow memory modification or application termination when processing a maliciously crafted mail message. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2020-9818","products":[{"name":{"value":"iOS, iPadOS, and watchOS","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2020-9818","aliases":["CVE-2020-9818"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-787"],"cveID":"CVE-2020-9818","notes":"https://nvd.nist.gov/vuln/detail/CVE-2020-9818","dueDate":"2022-05-03","product":"iOS, iPadOS, and watchOS","dateAdded":"2021-11-03","vendorProject":"Apple","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Apple iOS, iPadOS, and watchOS Mail contains an out-of-bounds write vulnerability which may allow memory modification or application termination when processing a maliciously crafted mail message.","vulnerabilityName":"Apple iOS, iPadOS, and watchOS Out-of-Bounds Write Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2020-9818","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}},{"id":1267,"advisory_id":"d41376c0-4e90-429f-a69d-0a0d18669938","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-41061","source_published_at":"2023-09-11T00:00:00+00:00","published_at":"2026-10-24T20:59:01.538451+00:00","extraction_method":"structured","technologies":["core-kev","ios-ipados-and-watchos"],"cve_ids":["CVE-2023-41061"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Apple iOS, iPadOS, and watchOS Wallet Code Execution Vulnerability","summary":"Apple iOS, iPadOS, and watchOS contain an unspecified vulnerability due to a validation issue affecting Wallet in which a maliciously crafted attachment may result in code execution. This vulnerability was chained with CVE-2023-41064. CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","evidence":"kev:CVE-2023-41061","products":[{"name":{"value":"iOS, iPadOS, and watchOS","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2023-41061","aliases":["CVE-2023-41061"],"affected":[],"modified":"2023-09-11T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":[],"cveID":"CVE-2023-41061","notes":"https://support.apple.com/en-us/HT213905, https://support.apple.com/kb/HT213907; https://nvd.nist.gov/vuln/detail/CVE-2023-41061","dueDate":"2023-10-02","product":"iOS, iPadOS, and watchOS","dateAdded":"2023-09-11","vendorProject":"Apple","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_exploited":true,"shortDescription":"Apple iOS, iPadOS, and watchOS contain an unspecified vulnerability due to a validation issue affecting Wallet in which a maliciously crafted attachment may result in code execution. This vulnerability was chained with CVE-2023-41064.","vulnerabilityName":"Apple iOS, iPadOS, and watchOS Wallet Code Execution Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2023-41061","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":3504,"next_before":1267}