CVE-2017-2684

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Summary

CVECVE-2017-2684
StatePUBLISHED
Assignersiemens
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-02-22 02:59:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionSiemens 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.

Risk And Classification

Primary CVSS: v3.0 9 CRITICAL from [email protected]

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Problem Types: CWE-592 | NVD-CWE-noinfo | CWE-592 CWE-592: Authentication Bypass Issues

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary9CRITICALCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
2.0[email protected]Primary6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Siemens Simatic Logon All sp3_update_1 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na SIMATIC Logon All Versions V1.5 SP3 Update 2 affected SIMATIC Logon All versions < V1.5 SP3 Update 2 Not specified

References

ReferenceSourceLinkTags
Siemens SIMATIC Logon CVE-2017-2684 Authentication Bypass Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Siemens af854a3a-2127-422b-91ae-364da2661108 www.siemens.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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