{"id":"CVE-2021-32935","aliases":["EUVD-2021-19656","GHSA-wjh3-6952-cjvw"],"status":"published","title":"Cognex In-Sight OPC Server - Deserialization of Untrusted Data","description":"The affected Cognex product, the In-Sight OPC Server versions v5.7.4 (96) and prior, deserializes untrusted data, which could allow a remote attacker access to system level permission commands and local privilege escalation.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01894,"percentile":0.7988,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2022-05-23T18:42:20Z","modified":"2026-06-17T03:53:49Z","products":[{"vendor":"cognex","product":"in-sight opc server"},{"vendor":"cognex","product":"in-sight_opc_server"}],"references":[{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-224-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32935"},{"url":"https://github.com/advisories/GHSA-wjh3-6952-cjvw"}],"sources":{"cve":[{"id":"CVE-2021-32935","title":"Cognex In-Sight OPC Server - Deserialization of Untrusted Data","description":"The affected Cognex product, the In-Sight OPC Server versions v5.7.4 (96) and prior, deserializes untrusted data, which could allow a remote attacker access to system level permission commands and local privilege escalation.","status":"published","published":"2022-05-23T18:42:20Z","modified":"2025-04-16T17:53:44.261Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-19656","description":"The affected Cognex product, the In-Sight OPC Server versions v5.7.4 (96) and prior, deserializes untrusted data, which could allow a remote attacker access to system level permission commands and local privilege escalation.","status":"published","published":"2022-05-23T18:42:20Z","modified":"2025-04-16T17:53:44Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:22.940917Z"}],"ghsa":[{"id":"GHSA-wjh3-6952-cjvw","title":"The affected Cognex product, the In-Sight OPC Server versions v5.7.4 (96) and prior, deserializes...","description":"The affected Cognex product, the In-Sight OPC Server versions v5.7.4 (96) and prior, deserializes untrusted data, which could allow a remote attacker access to system level permission commands and local privilege escalation.","status":"published","published":"2022-05-24T00:00:18Z","modified":"2023-01-27T05:02:24Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:42:03.063922Z"}],"nvd":[{"id":"CVE-2021-32935","description":"The affected Cognex product, the In-Sight OPC Server versions v5.7.4 (96) and prior, deserializes untrusted data, which could allow a remote attacker access to system level permission commands and local privilege escalation.","status":"published","published":"2022-05-23T19:16:07.057Z","modified":"2026-06-17T03:53:49.78Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}