{"schema_version":"1","data":[{"id":3617,"advisory_id":"a3db64b0-9755-4c4a-b5f3-3b3a82dbaae4","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-0688","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:38:09.857353+00:00","extraction_method":"structured","technologies":["core-kev","exchange-server"],"cve_ids":["CVE-2020-0688"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Microsoft Exchange Server Validation Key Remote Code Execution Vulnerability","summary":"Microsoft Exchange Server Validation Key fails to properly create unique keys at install time, allowing for remote code execution. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2020-0688","products":[{"name":{"value":"Exchange Server","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2020-0688","aliases":["CVE-2020-0688"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-287"],"cveID":"CVE-2020-0688","notes":"https://nvd.nist.gov/vuln/detail/CVE-2020-0688","dueDate":"2022-05-03","product":"Exchange Server","dateAdded":"2021-11-03","vendorProject":"Microsoft","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Microsoft Exchange Server Validation Key fails to properly create unique keys at install time, allowing for remote code execution.","vulnerabilityName":"Microsoft Exchange Server Validation Key Remote Code Execution Vulnerability","knownRansomwareCampaignUse":"Known"}},"related_cves":[{"value":"CVE-2020-0688","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":3617,"next_before":3617}