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[email protected]CVE-2021-40873

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

CVE-2021-40873

2021-11-1023:15:08

CWE-415

[email protected]

web.nvd.nist.gov

cve-2021-40873

softing industrial automation

opc ua

c++

sdk

uatoolkit embedded

denial of service

remote attackers

crafted messages

server process crash

double free

nvd

5 Medium

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

7.5 High

CVSS3

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

7.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.0%

JSON

An issue was discovered in Softing Industrial Automation OPC UA C++ SDK before 5.66, and uaToolkit Embedded before 1.40. Remote attackers to cause a denial of service (DoS) by sending crafted messages to a client or server. The server process may crash unexpectedly because of a double free, and must be restarted.

Affected configurations

NVD

Node

softingdatafeed_opc_suiteRange<5.18

softingedgeconnectorRange≤2.31

softingopcRange<5.66

softingsecure_integration_serverRange≤1.22

softingth_scopeRange3.5≥

softinguagatesRange<1.73

softinguatoolkit_embeddedRange<1.40

CPENameOperatorVersion
softing:datafeed_opc_suitesofting datafeed opc suitelt5.18
softing:edgeconnectorsofting edgeconnectorle2.31
softing:opcsofting opclt5.66
softing:secure_integration_serversofting secure integration serverle1.22
softing:th_scopesofting th scopeeq*
softing:uagatessofting uagateslt1.73
softing:uatoolkit_embeddedsofting uatoolkit embeddedlt1.40

CPE	Name	Operator	Version
softing:datafeed_opc_suite	softing datafeed opc suite	lt	5.18
softing:edgeconnector	softing edgeconnector	le	2.31
softing:opc	softing opc	lt	5.66
softing:secure_integration_server	softing secure integration server	le	1.22
softing:th_scope	softing th scope	eq	*
softing:uagates	softing uagates	lt	1.73
softing:uatoolkit_embedded	softing uatoolkit embedded	lt	1.40

References

industrial.softing.com/

industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-40873.pdf

5 Medium

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

7.5 High

CVSS3

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

7.4 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.0%

JSON

Related for CVE-2021-40873

nvd1 prion1 cvelist1