Vulnerability · Published May 26, 2021 · Assigned by schneider
CVE-2021-22743
Low 3.9
In plain English
A low-severity security flaw in Triconex TCM 4351B installed on Tricon V11.3.x systems.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).
Severity (CVSS NVD)3.9Low
Exploit odds (30 days)0.2%top 86.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TCM 4351B installed on Tricon V11.3.x systems that could cause module reset when TCM receives malformed TriStation packets while the write-protect keyswitch is in the program position.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Triconex TCM 4351B installed on Tricon V11.3.x systems. | Triconex TCM 4351B installed on Tricon V11.3.x systems |
Weakness: CWE-754