CVE-2017-2684

Siemens SIMATIC Logon prior to V1.5 SP3 Update 2 could allow an attacker with knowledge of a valid user name, and physical or network access to the affected system, to bypass the application-level authentication.

CVSS v3 9.0 CRITICAL
CVSS v2.0 6.8 MEDIUM

9.0^/10

CVSS v3 : CRITICAL

Vector : AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploitability : 2.2 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.securityfocus.com/bid/96208	Third Party Advisory VDB Entry
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-931064.pdf	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:siemens:simatic_logon:*:sp3_update_1:*:*:*:*:*:*

History

No history.

Information

Published : 2017-02-22 02:59

Updated : 2023-12-10 12:01

NVD link : CVE-2017-2684

Mitre link : CVE-2017-2684

CVE.ORG link : CVE-2017-2684

JSON object : View

Products Affected

siemens

simatic_logon

CWE

NVD-CWE-noinfo CWE-592

DEPRECATED: Authentication Bypass Issues

{"id": "CVE-2017-2684", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 9.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.2}]}, "published": "2017-02-22T02:59:00.153", "references": [{"url": "http://www.securityfocus.com/bid/96208", "tags": ["Third Party Advisory", "VDB Entry"], "source": "productcert@siemens.com"}, {"url": "https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-931064.pdf", "tags": ["Vendor Advisory"], "source": "productcert@siemens.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "productcert@siemens.com", "description": [{"lang": "en", "value": "CWE-592"}]}], "descriptions": [{"lang": "en", "value": "Siemens SIMATIC Logon prior to V1.5 SP3 Update 2 could allow an attacker with knowledge of a valid user name, and physical or network access to the affected system, to bypass the application-level authentication."}, {"lang": "es", "value": "Siemens SIMATIC Logon en versiones anteriores a V1.5 SP3 Update 2 podr\u00eda permitir a un atacante con conocimiento de un nombre de usuario v\u00e1lido, y acceso f\u00edsico o de red al sistema afectado, eludir la autenticaci\u00f3n a nivel de aplicaci\u00f3n."}], "lastModified": "2019-10-09T23:27:06.587", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:siemens:simatic_logon:*:sp3_update_1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0E791A5D-A304-4C65-84CA-859984342446", "versionEndIncluding": "1.5"}], "operator": "OR"}]}], "sourceIdentifier": "productcert@siemens.com"}