CVE-2021-42262
MEDIUM
6.5
CVSS Score
Published: March 11, 2022 at 10:05 PM UTC
Updated: June 17, 2026 at 04:09 AM UTC
3 products affected across 1 vendorSecure Integration ServerOpc Ua C++ Software Development KitDatafeed Opc Suite
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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.8%
Description
An issue was discovered in Softing OPC UA C++ SDK before 5.70. An invalid XML element in the type dictionary makes the OPC/UA client crash due to an out-of-memory condition.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 5.19
5.56.0 ≤ v < 5.70.0
Affected range stops below 5.70.0, so it looks safe — our inference, not a vendor statement
v ≤ 1.22
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-42262.pdfx_refsource_MISCVendor Advisory
Source: [email protected]
https://industrial.softing.com/us/solutions/opc-and-opc-ua.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-119
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