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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
icscertCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 31%
VendorProductVersion
softingopc_ua_c\+\+_software_development_kit
5.59.0 ≤
𝑥
< 5.65.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.cisa.gov/uscert/ics/advisories/icsa-21-168-02
https://www.cisa.gov/uscert/ics/advisories/icsa-21-168-02