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MitreCVE-2021-40871

HistoryNov 10, 2021 - 11:15 p.m.

CVE-2021-40871

2021-11-1023:15:08

CWE-843

mitre

web.nvd.nist.gov

cve-2021-40871

softing industrial automation

opc ua

c++ sdk

dos

remote code execution

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

AI Score

7.4

Confidence

High

EPSS

0.002

Percentile

58.4%

JSON

An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a OPC/UA client. The client process may crash unexpectedly because of a wrong type cast, and must be restarted.

Affected configurations

Nvd

Node

softingdatafeed_opc_suiteRange<5.18

softingopcRange<5.66

softingsecure_integration_serverRange≤1.22

softingth_scopeRange3.5≥

VendorProductVersionCPE
softingdatafeed_opc_suite*cpe:2.3:a:softing:datafeed_opc_suite:*:*:*:*:*:*:*:*
softingopc*cpe:2.3:a:softing:opc:*:*:*:*:*:*:*:*
softingsecure_integration_server*cpe:2.3:a:softing:secure_integration_server:*:*:*:*:*:*:*:*
softingth_scope*cpe:2.3:a:softing:th_scope:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
softing	datafeed_opc_suite	*	cpe:2.3:a:softing:datafeed_opc_suite::::::::
softing	opc	*	cpe:2.3:a:softing:opc::::::::
softing	secure_integration_server	*	cpe:2.3:a:softing:secure_integration_server::::::::
softing	th_scope	*	cpe:2.3:a:softing:th_scope::::::::

References

industrial.softing.com/

industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin-CVE-2021-40871.pdf

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

AI Score

7.4

Confidence

High

EPSS

0.002

Percentile

58.4%

JSON

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