CVE-2023-33920

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.

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html
http://seclists.org/fulldisclosure/2023/Jul/14
https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf	Patch Vendor Advisory
http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html
http://seclists.org/fulldisclosure/2023/Jul/14
https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:siemens:cpci85_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:cp-8050_master_module:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:siemens:cpci85_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:siemens:cp-8031_master_module:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-06-13 09:15

Updated : 2024-11-21 08:06

NVD link : CVE-2023-33920

Mitre link : CVE-2023-33920

CVE.ORG link : CVE-2023-33920

JSON object : View

Products Affected

siemens

cp-8031_master_module
cp-8050_master_module
cpci85_firmware

CWE

CWE-798

Use of Hard-coded Credentials

{"id": "CVE-2023-33920", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "productcert@siemens.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.9}]}, "published": "2023-06-13T09:15:18.677", "references": [{"url": "http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html", "source": "productcert@siemens.com"}, {"url": "http://seclists.org/fulldisclosure/2023/Jul/14", "source": "productcert@siemens.com"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf", "tags": ["Patch", "Vendor Advisory"], "source": "productcert@siemens.com"}, {"url": "http://packetstormsecurity.com/files/173370/Siemens-A8000-CP-8050-CP-8031-Code-Execution-Command-Injection.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://seclists.org/fulldisclosure/2023/Jul/14", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-731916.pdf", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "productcert@siemens.com", "description": [{"lang": "en", "value": "CWE-798"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-798"}]}], "descriptions": [{"lang": "en", "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."}], "lastModified": "2024-11-21T08:06:12.620", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:cpci85_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "59D83EB4-A263-4070-A864-56EB7B120CE2", "versionEndExcluding": "v05"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:cp-8050_master_module:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E7686251-7011-46F9-9CEB-CC5DADCB5284"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:siemens:cpci85_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "59D83EB4-A263-4070-A864-56EB7B120CE2", "versionEndExcluding": "v05"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:siemens:cp-8031_master_module:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E84CEC33-3B34-42EF-A698-164AF0343316"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "productcert@siemens.com"}