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SiemensCVE-2017-9938

HistoryAug 08, 2017 - 12:29 a.m.

CVE-2017-9938

2017-08-0800:29:00

CWE-787

CWE-20

siemens

web.nvd.nist.gov

siemens

simatic

logon

vulnerability

dos

denial of service

cve-2017-9938

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0.003

Percentile

70.6%

JSON

A vulnerability was discovered in Siemens SIMATIC Logon (All versions before V1.6) that could allow specially crafted packets sent to the SIMATIC Logon Remote Access service on port 16389/tcp to cause a Denial-of-Service condition. The service restarts automatically.

Affected configurations

Nvd

Node

siemenssimatic_logonRange≤1.5sp3_update_2

VendorProductVersionCPE
siemenssimatic_logon*cpe:2.3:a:siemens:simatic_logon:*:sp3_update_2:*:*:*:*:*:*

Vendor	Product	Version	CPE
siemens	simatic_logon	*	cpe:2.3:a:siemens:simatic_logon::sp3_update_2::::::*

CNA Affected

[
  {
    "product": "SIMATIC Logon All versions before V1.6",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "SIMATIC Logon All versions before V1.6"
      }
    ]
  }
]

References

www.securityfocus.com/bid/99539

www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-804859.pdf

www.tenable.com/security/research/tra-2017-34

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0.003

Percentile

70.6%

JSON

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