{"schema_version":"1","data":[{"id":2906,"advisory_id":"542c95ed-a5c3-41bb-85c5-3a505004c885","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-20038","source_published_at":"2022-01-28T00:00:00+00:00","published_at":"2026-10-24T21:26:19.652352+00:00","extraction_method":"structured","technologies":["core-kev","sma-100-appliances"],"cve_ids":["CVE-2021-20038"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"SonicWall SMA 100 Appliances Stack-Based Buffer Overflow Vulnerability","summary":"SonicWall SMA 100 devies are vulnerable to an unauthenticated stack-based buffer overflow vulnerability where exploitation can result in code execution. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2021-20038","products":[{"name":{"value":"SMA 100 Appliances","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2021-20038","aliases":["CVE-2021-20038"],"affected":[],"modified":"2022-01-28T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-121"],"cveID":"CVE-2021-20038","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-20038","dueDate":"2022-02-11","product":"SMA 100 Appliances","dateAdded":"2022-01-28","vendorProject":"SonicWall","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"SonicWall SMA 100 devies are vulnerable to an unauthenticated stack-based buffer overflow vulnerability where exploitation can result in code execution.","vulnerabilityName":"SonicWall SMA 100 Appliances Stack-Based Buffer Overflow Vulnerability","knownRansomwareCampaignUse":"Known"}},"related_cves":[{"value":"CVE-2021-20038","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null},"priority":{"reasons":["known_exploited"],"severity":"unknown","linked_cves":[],"fix_available":false,"known_exploited":true,"publisher_severity":"unknown"},"context_update":false}],"next_after":2906,"next_before":2906}