Vulnerability · Published Mar 21, 2022 · Assigned by mitre
CVE-2021-45117
Medium 6.5
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.4%top 27.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The OPC autogenerated ANSI C stack stubs (in the NodeSets) do not handle all error cases. This can lead to a NULL pointer dereference.
Affected products (as reported)
References
- https://www.youtube.com/watch?v=qv-RBdCaV4k x_refsource_MISC
- https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-45117.pdf x_refsource_MISC
- https://cert-portal.siemens.com/productcert/pdf/ssa-285795.pdf x_refsource_CONFIRM