{"api_version":"1","generated_at":"2026-07-23T15:13:33+00:00","cve":"CVE-2023-33920","urls":{"html":"https://cve.report/CVE-2023-33920","api":"https://cve.report/api/cve/CVE-2023-33920.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-33920","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-33920"},"summary":{"title":"CVE-2023-33920","description":"A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05), CP-8050 MASTER MODULE (All versions < CPCI85 V05). The affected devices contain the hash of the root password in a hard-coded form, which could be exploited for UART console login to the device. An attacker with direct physical access could exploit this vulnerability.","state":"PUBLIC","assigner":"productcert@siemens.com","published_at":"2023-06-13 09:15:00","updated_at":"2023-07-11 18:15:00"},"problem_types":["CWE-798"],"metrics":[],"references":[{"url":"http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html","name":"http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html","refsource":"MISC","tags":[],"title":"Siemens A8000 CP-8050 / CP-8031 Code Execution / Command Injection ≈ Packet Storm","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://seclists.org/fulldisclosure/2023/Jul/14","name":"http://seclists.org/fulldisclosure/2023/Jul/14","refsource":"MISC","tags":[],"title":"Full Disclosure: SEC Consult SA-20230703-0 :: Multiple Vulnerabilities including Unauthenticated RCE in Siemens A8000","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf","name":"https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf","refsource":"MISC","tags":[],"title":"","mime":"application/pdf","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-33920","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33920","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"33920","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"siemens","cpe5":"cp-8031_master_module","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"33920","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"siemens","cpe5":"cp-8050_master_module","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"33920","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"siemens","cpe5":"cpci85_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-33920","ASSIGNER":"productcert@siemens.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05), CP-8050 MASTER MODULE (All versions < CPCI85 V05). The affected devices contain the hash of the root password in a hard-coded form, which could be exploited for UART console login to the device. An attacker with direct physical access could exploit this vulnerability."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-798: Use of Hard-coded Credentials","cweId":"CWE-798"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Siemens","product":{"product_data":[{"product_name":"CP-8031 MASTER MODULE","version":{"version_data":[{"version_affected":"=","version_value":"All versions < CPCI85 V05"}]}},{"product_name":"CP-8050 MASTER MODULE","version":{"version_data":[{"version_affected":"=","version_value":"All versions < CPCI85 V05"}]}}]}}]}},"references":{"reference_data":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf","refsource":"MISC","name":"https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf"},{"url":"http://seclists.org/fulldisclosure/2023/Jul/14","refsource":"MISC","name":"http://seclists.org/fulldisclosure/2023/Jul/14"},{"url":"http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html","refsource":"MISC","name":"http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html"}]},"impact":{"cvss":[{"version":"3.1","vectorString":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","baseScore":6.8,"baseSeverity":"MEDIUM"}]}},"nvd":{"publishedDate":"2023-06-13 09:15:00","lastModifiedDate":"2023-07-11 18:15:00","problem_types":["CWE-798"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"PHYSICAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":6.8,"baseSeverity":"MEDIUM"},"exploitabilityScore":0.9,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:cpci85_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"v05","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:cp-8050_master_module:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:siemens:cpci85_firmware:*:*:*:*:*:*:*:*","versionEndExcluding":"v05","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:siemens:cp-8031_master_module:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":null,"notes":[]}}}