CVE-2021-32994

Softing OPC UA C++ SDK (Software Development Kit) versions from 5.59 to 5.64 exported library functions don't properly validate received extension objects, which may allow an attacker to crash the software by sending a variety of specially crafted packets to access several unexpected memory locations.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-168-02	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

cpe:2.3:a:softing:opc_ua_c\+\+_software_development_kit:*:*:*:*:*:*:*:*

History

13 Apr 2022, 13:25

Type	Values Removed	Values Added
CPE		cpe:2.3:a:softing:opc_ua_c\+\+_software_development_kit::::::::
References	~~(CONFIRM) https://www.cisa.gov/uscert/ics/advisories/icsa-21-168-02 -~~	(CONFIRM) https://www.cisa.gov/uscert/ics/advisories/icsa-21-168-02 - Third Party Advisory, US Government Resource
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 5.0 v3 : 7.5
CWE		CWE-119

04 Apr 2022, 20:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-04-04 20:15

Updated : 2024-02-04 22:29

NVD link : CVE-2021-32994

Mitre link : CVE-2021-32994

CVE.ORG link : CVE-2021-32994

JSON object : View

Products Affected

softing

opc_ua_c\+\+_software_development_kit

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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