{"id":"CVE-2021-34569","aliases":["EUVD-2021-21219","GHSA-45x3-7h4h-cjc5"],"status":"published","title":"WAGO I/O-Check Service prone to Out-of-bounds Write","description":"In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write 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Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34569"},{"url":"https://github.com/advisories/GHSA-45x3-7h4h-cjc5"}],"sources":{"cve":[{"id":"CVE-2021-34569","title":"WAGO I/O-Check Service prone to Out-of-bounds Write","description":"In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.","status":"published","published":"2022-11-09T15:17:36.366Z","modified":"2025-05-01T19:17:39.712Z","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","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:33:11.59359Z"}],"euvd":[{"id":"EUVD-2021-21219","description":"In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.","status":"published","published":"2022-11-09T15:17:36Z","modified":"2025-05-01T19:17:39Z","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"}],"updated_at":"2026-11-02T20:51:56.360543Z"}],"ghsa":[{"id":"GHSA-45x3-7h4h-cjc5","title":"In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet...","description":"In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.","status":"published","published":"2022-11-09T19:02:23Z","modified":"2023-01-30T05:06:52Z","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-787"],"updated_at":"2026-11-02T14:47:34.932935Z"}],"nvd":[{"id":"CVE-2021-34569","description":"In WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool and write memory.","status":"published","published":"2022-11-09T16:15:12.433Z","modified":"2026-06-17T03:56:08.763Z","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","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:06.906968Z"}]}}