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Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44693"},{"url":"https://github.com/advisories/GHSA-c29m-qccv-c9p6"}],"sources":{"cve":[{"id":"CVE-2021-44693","description":"Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.","status":"published","published":"2022-12-13T00:00:00Z","modified":"2025-04-21T13:45:41.428Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T14:33:01.166399Z"}],"euvd":[{"id":"EUVD-2021-31509","description":"Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.","status":"published","published":"2022-12-13T00:00:00Z","modified":"2025-04-21T13:45:41Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T20:52:19.235376Z"}],"ghsa":[{"id":"GHSA-c29m-qccv-c9p6","title":"A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V3.0.1),...","description":"A vulnerability has been identified in SIMATIC Drive Controller family (All versions \u003c V3.0.1), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions \u003c V4.6.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions \u003c V3.0.1), SIMATIC S7-1500 Software Controller (All versions), SIMATIC S7-PLCSIM Advanced (All versions \u003c V5.0), SIPLUS TIM 1531 IRC (All versions), TIM 1531 IRC (All versions). Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial-of-service in the device.","status":"published","published":"2022-12-13T18:30:32Z","modified":"2023-02-03T05:01:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T14:52:59.355645Z"}],"nvd":[{"id":"CVE-2021-44693","description":"Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.","status":"published","published":"2022-12-13T16:15:14.75Z","modified":"2026-06-17T04:12:41.767Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-1284"],"updated_at":"2026-11-02T14:07:07.323379Z"}]}}