{"id":"CVE-2023-36380","aliases":["EUVD-2023-40348","GHSA-mmpj-f59m-vxp4"],"status":"published","title":"A vulnerability has been identified in CP-8031 MASTER MODULE (All versions \u003c CPCI85 V05.11 (only...","description":"A vulnerability has been identified in CP-8031 MASTER MODULE (All versions \u003c CPCI85 V05.11 (only with activated debug support)), CP-8050 MASTER MODULE (All versions \u003c CPCI85 V05.11 (only with activated debug support)). The affected devices contain a hard-coded ID in the SSH `authorized_keys` configuration file. An attacker with knowledge of the corresponding private key could login to the device via SSH. Only devices with activated debug support are affected.","severity":{"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/E:P/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00408,"percentile":0.35415,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2023-10-10T10:21:21Z","modified":"2026-06-17T06:06:08Z","products":[{"vendor":"siemens","product":"cp-8031 master module"},{"vendor":"siemens","product":"cp-8031_firmware"},{"vendor":"siemens","product":"cp-8050 master module"},{"vendor":"siemens","product":"cp-8050_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-134651.pdf","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36380"},{"url":"https://github.com/advisories/GHSA-mmpj-f59m-vxp4"}],"sources":{"cve":[{"id":"CVE-2023-36380","description":"A vulnerability has been identified in CP-8031 MASTER MODULE (All versions \u003c CPCI85 V05.11 (only with activated debug support)), CP-8050 MASTER MODULE (All versions \u003c CPCI85 V05.11 (only with activated debug support)). The affected devices contain a hard-coded ID in the SSH `authorized_keys` configuration file. An attacker with knowledge of the corresponding private key could login to the device via SSH. Only devices with activated debug support are affected.","status":"published","published":"2023-10-10T10:21:21.786Z","modified":"2025-02-27T20:46:08.107Z","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/E:P/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:35:27.810438Z"}],"euvd":[{"id":"EUVD-2023-40348","description":"A vulnerability has been identified in CP-8031 MASTER MODULE (All versions \u003c CPCI85 V05.11 (only with activated debug support)), CP-8050 MASTER MODULE (All versions \u003c CPCI85 V05.11 (only with activated debug support)). The affected devices contain a hard-coded ID in the SSH `authorized_keys` configuration file. An attacker with knowledge of the corresponding private key could login to the device via SSH. Only devices with activated debug support are affected.","status":"published","published":"2023-10-10T10:21:21Z","modified":"2025-02-27T20:46:08Z","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/E:P/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-02T20:53:21.01879Z"}],"ghsa":[{"id":"GHSA-mmpj-f59m-vxp4","title":"A vulnerability has been identified in CP-8031 MASTER MODULE (All versions \u003c CPCI85 V05.11 (only...","description":"A vulnerability has been identified in CP-8031 MASTER MODULE (All versions \u003c CPCI85 V05.11 (only with activated debug support)), CP-8050 MASTER MODULE (All versions \u003c CPCI85 V05.11 (only with activated debug support)). The affected devices contain a hard-coded ID in the SSH `authorized_keys` configuration file. An attacker with knowledge of the corresponding private key could login to the device via SSH. Only devices with activated debug support are affected.","status":"published","published":"2023-10-10T12:32:11Z","modified":"2024-04-04T08:27:51Z","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-798"],"updated_at":"2026-11-02T14:56:58.612577Z"}],"nvd":[{"id":"CVE-2023-36380","description":"A vulnerability has been identified in CP-8031 MASTER MODULE (All versions \u003c CPCI85 V05.11 (only with activated debug support)), CP-8050 MASTER MODULE (All versions \u003c CPCI85 V05.11 (only with activated debug support)). The affected devices contain a hard-coded ID in the SSH `authorized_keys` configuration file. An attacker with knowledge of the corresponding private key could login to the device via SSH. Only devices with activated debug support are affected.","status":"published","published":"2023-10-10T11:15:11.817Z","modified":"2026-06-17T06:06:08.77Z","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"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:08:36.656095Z"}]}}