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SiemensCVE-2021-27396

HistoryMay 12, 2021 - 2:15 p.m.

CVE-2021-27396

2021-05-1214:15:11

CWE-121

siemens

web.nvd.nist.gov

cve-2021-27396

tecnomatix plant simulation

vulnerability

buffer overflow

code execution

security advisory

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

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.003

Percentile

69.6%

JSON

A vulnerability has been identified in Tecnomatix Plant Simulation (All versions < V16.0.5). The PlantSimCore.dll library lacks proper validation of user-supplied data when parsing SPP files. This could result in a stack based buffer overflow, a different vulnerability than CVE-2021-27398. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13279)

Affected configurations

Nvd

Node

siemenstecnomatix_plant_simulationRange<16.0.5

VendorProductVersionCPE
siemenstecnomatix_plant_simulation*cpe:2.3:a:siemens:tecnomatix_plant_simulation:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
siemens	tecnomatix_plant_simulation	*	cpe:2.3:a:siemens:tecnomatix_plant_simulation::::::::

CNA Affected

[
  {
    "product": "Tecnomatix Plant Simulation",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V16.0.5"
      }
    ]
  }
]

References

cert-portal.siemens.com/productcert/pdf/ssa-983548.pdf

www.zerodayinitiative.com/advisories/ZDI-21-568/

Social References

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

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.003

Percentile

69.6%

JSON

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