Vulnerability · Published Apr 4, 2022 · Assigned by icscert
CVE-2021-32994Softing OPC-UA C++ SDK Improper Restriction of Operations within the Bounds of a Memory Buffer
High 7.5
In plain English
A high-severity memory corruption in OPC UA C++ SDK (Software Development Kit) from Softing. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.7%top 22.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Softing | OPC UA C++ SDK (Software Development Kit) | 5.59 – before 5.64 |
Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-168-02 x_refsource_CONFIRM