{"schemaVersion":3,"id":"CVE-2022-34819","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.","dates":{"published":"2022-07-12T10:07:27.000Z","modified":"2025-04-21T13:51:38.353Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":10,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":10,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":10,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":9.3,"severity":"high","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.02083,"percentile":0.81239,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0.059000000000000025,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.02024},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02083,"percentile":0.81239}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02024,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02083,"percentile":null},{"date":"2026-10-07T00: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