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SiemensCVE-2017-2684

HistoryFeb 22, 2017 - 2:59 a.m.

CVE-2017-2684

2017-02-2202:59:00

CWE-592

siemens

web.nvd.nist.gov

siemens

simatic logon

cve-2017-2684

authentication bypass

security

nvd

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.002

Percentile

53.9%

JSON

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.

Affected configurations

Nvd

Node

siemenssimatic_logonRange≤1.5sp3_update_1

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

Vendor	Product	Version	CPE
siemens	simatic_logon	*	cpe:2.3:a:siemens:simatic_logon::sp3_update_1::::::*

CNA Affected

[
  {
    "product": "SIMATIC Logon All versions < V1.5 SP3 Update 2",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "SIMATIC Logon All versions < V1.5 SP3 Update 2"
      }
    ]
  }
]

References

www.securityfocus.com/bid/96208

www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-931064.pdf

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.8

Confidence

High

EPSS

0.002

Percentile

53.9%

JSON

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