{"id":"CVE-2023-29105","aliases":["EUVD-2023-32708","GHSA-fr6w-4xgh-4mgc"],"status":"published","title":"A vulnerability has been identified in SIMATIC Cloud Connect 7 CC712 (All versions \u003e= V2.0 \u003c V2.1...","description":"A vulnerability has been identified in SIMATIC Cloud Connect 7 CC712 (All versions \u003e= V2.0 \u003c V2.1), SIMATIC Cloud Connect 7 CC712 (All versions \u003c V2.1), SIMATIC Cloud Connect 7 CC716 (All versions \u003e= V2.0 \u003c V2.1), SIMATIC Cloud Connect 7 CC716 (All versions \u003c V2.1). The affected device is vulnerable to a denial of service while parsing a random (non-JSON) MQTT payload. This could allow an attacker who can manipulate the communication between the MQTT broker and the affected device to cause a denial of service (DoS).","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00551,"percentile":0.4656,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-544"],"published":"2023-05-09T11:51:32Z","modified":"2026-10-23T23:10:00Z","products":[{"vendor":"siemens","product":"6gk1411-1ac00_firmware"},{"vendor":"siemens","product":"6gk1411-5ac00_firmware"},{"vendor":"siemens","product":"simatic cloud connect 7 cc712"},{"vendor":"siemens","product":"simatic cloud connect 7 cc716"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-555292.pdf","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-29105"},{"url":"https://github.com/advisories/GHSA-fr6w-4xgh-4mgc"}],"sources":{"cve":[{"id":"CVE-2023-29105","description":"A vulnerability has been identified in SIMATIC Cloud Connect 7 CC712 (All versions \u003e= V2.0 \u003c V2.1), SIMATIC Cloud Connect 7 CC712 (All versions \u003c V2.1), SIMATIC Cloud Connect 7 CC716 (All versions \u003e= V2.0 \u003c V2.1), SIMATIC Cloud Connect 7 CC716 (All versions \u003c V2.1). The affected device is vulnerable to a denial of service while parsing a random (non-JSON) MQTT payload. This could allow an attacker who can manipulate the communication between the MQTT broker and the affected device to cause a denial of service (DoS).","status":"published","published":"2023-05-09T11:51:32.057Z","modified":"2025-01-28T18:40:19.563Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-544"],"updated_at":"2026-11-02T14:35:28.643185Z"}],"euvd":[{"id":"EUVD-2023-32708","description":"A vulnerability has been identified in SIMATIC Cloud Connect 7 CC712 (All versions \u003e= V2.0 \u003c V2.1), SIMATIC Cloud Connect 7 CC712 (All versions \u003c V2.1), SIMATIC Cloud Connect 7 CC716 (All versions \u003e= V2.0 \u003c V2.1), SIMATIC Cloud Connect 7 CC716 (All versions \u003c V2.1). The affected device is vulnerable to a denial of service while parsing a random (non-JSON) MQTT payload. This could allow an attacker who can manipulate the communication between the MQTT broker and the affected device to cause a denial of service (DoS).","status":"published","published":"2023-05-09T11:51:32Z","modified":"2025-01-28T18:40:19Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:04:11.289823Z"}],"ghsa":[{"id":"GHSA-fr6w-4xgh-4mgc","title":"A vulnerability has been identified in SIMATIC Cloud Connect 7 CC712 (All versions \u003e= V2.0 \u003c V2.1...","description":"A vulnerability has been identified in SIMATIC Cloud Connect 7 CC712 (All versions \u003e= V2.0 \u003c V2.1), SIMATIC Cloud Connect 7 CC712 (All versions \u003c V2.1), SIMATIC Cloud Connect 7 CC716 (All versions \u003e= V2.0 \u003c V2.1), SIMATIC Cloud Connect 7 CC716 (All versions \u003c V2.1). The affected device is vulnerable to a denial of service while parsing a random (non-JSON) MQTT payload. This could allow an attacker who can manipulate the communication between the MQTT broker and the affected device to cause a denial of service (DoS).","status":"published","published":"2023-05-09T15:30:32Z","modified":"2024-04-04T03:55:21Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-544"],"updated_at":"2026-11-02T14:56:19.559732Z"}],"nvd":[{"id":"CVE-2023-29105","description":"A vulnerability has been identified in SIMATIC Cloud Connect 7 CC712 (All versions \u003e= V2.0 \u003c V2.1), SIMATIC Cloud Connect 7 CC712 (All versions \u003c V2.1), SIMATIC Cloud Connect 7 CC716 (All versions \u003e= V2.0 \u003c V2.1), SIMATIC Cloud Connect 7 CC716 (All versions \u003c V2.1). The affected device is vulnerable to a denial of service while parsing a random (non-JSON) MQTT payload. This could allow an attacker who can manipulate the communication between the MQTT broker and the affected device to cause a denial of service (DoS).","status":"published","published":"2023-05-09T13:15:17.627Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/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":"primary"}],"cwes":["CWE-544"],"updated_at":"2026-11-02T14:08:01.131774Z"}]}}