Vulnerability · Published Apr 3, 2022 · Assigned by mitre
CVE-2021-30063
High 7.5
In plain English
A high-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 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.0%top 37.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino Xenon Security Appliance, crafted OPC packets can cause an OPC enforcer denial of service.
Affected products (as reported)
References
- https://www.belden.com/support/security-assurance x_refsource_MISC
- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-05 x_refsource_CONFIRM