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SiemensCVE-2020-26989

HistoryJan 12, 2021 - 9:15 p.m.

CVE-2020-26989

2021-01-1221:15:17

CWE-787

CWE-121

siemens

web.nvd.nist.gov

cve-2020-26989

vulnerability

jt2go

solid edge

teamcenter visualization

stack based buffer overflow

code execution

security

validation

par files.

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

AI Score

7.8

Confidence

High

EPSS

0.002

Percentile

64.9%

JSON

A vulnerability has been identified in JT2Go (All versions < V13.1.0.1), Solid Edge SE2020 (All Versions < SE2020MP12), Solid Edge SE2021 (All Versions < SE2021MP2), Teamcenter Visualization (All versions < V13.1.0.1). Affected applications lack proper validation of user-supplied data when parsing of PAR files. This could result in a stack based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-11892)

Affected configurations

Nvd

Node

siemensjt2goRange<13.1.0.1

siemenssolid_edgeRange<se2021

siemenssolid_edgeMatchse2021-

siemenssolid_edgeMatchse2021maintenance_pack1

siemensteamcenter_visualizationRange<13.1.0.1

VendorProductVersionCPE
siemensjt2go*cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:*
siemenssolid_edge*cpe:2.3:a:siemens:solid_edge:*:*:*:*:*:*:*:*
siemenssolid_edgese2021cpe:2.3:a:siemens:solid_edge:se2021:-:*:*:*:*:*:*
siemenssolid_edgese2021cpe:2.3:a:siemens:solid_edge:se2021:maintenance_pack1:*:*:*:*:*:*
siemensteamcenter_visualization*cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
siemens	jt2go	*	cpe:2.3:a:siemens:jt2go::::::::
siemens	solid_edge	*	cpe:2.3:a:siemens:solid_edge::::::::
siemens	solid_edge	se2021	cpe:2.3:a:siemens:solid_edge:se2021:-::::::
siemens	solid_edge	se2021	cpe:2.3:a:siemens:solid_edge:se2021:maintenance_pack1::::::
siemens	teamcenter_visualization	*	cpe:2.3:a:siemens:teamcenter_visualization::::::::

CNA Affected

[
  {
    "product": "JT2Go",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V13.1.0.1"
      }
    ]
  },
  {
    "product": "Solid Edge SE2020",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All Versions < SE2020MP12"
      }
    ]
  },
  {
    "product": "Solid Edge SE2021",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All Versions < SE2021MP2"
      }
    ]
  },
  {
    "product": "Teamcenter Visualization",
    "vendor": "Siemens",
    "versions": [
      {
        "status": "affected",
        "version": "All versions < V13.1.0.1"
      }
    ]
  }
]

References

cert-portal.siemens.com/productcert/pdf/ssa-622830.pdf

cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf

cert-portal.siemens.com/productcert/pdf/ssa-979834.pdf

www.zerodayinitiative.com/advisories/ZDI-21-050/

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

AI Score

7.8

Confidence

High

EPSS

0.002

Percentile

64.9%

JSON

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