Vulnerability Details : CVE-2021-42262
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.
Vulnerability category: Overflow
Products affected by CVE-2021-42262
- cpe:2.3:a:softing:datafeed_opc_suite:*:*:*:*:*:*:*:*
- cpe:2.3:a:softing:secure_integration_server:*:*:*:*:*:*:*:*
- Softing » Opc Ua C++ Software Development KitVersions from including (>=) 5.56.0 and before (<) 5.70.0cpe:2.3:a:softing:opc_ua_c\+\+_software_development_kit:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-42262
0.39%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42262
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-42262
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-42262
-
https://industrial.softing.com/fileadmin/sof-files/pdf/ia/support/Security_Bulletin_CVE-2021-42262.pdf
Vendor Advisory
-
https://industrial.softing.com/us/solutions/opc-and-opc-ua.html
OPC and OPC UA | SoftingVendor Advisory
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