Vulnerability · Published Feb 11, 2022 · Assigned by schneider
CVE-2021-22800
High 7.5
In plain English
A high-severity improper input validation in Modicon M218 Logic Controller (V5.1.0.6 and prior). 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 36.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A CWE-20: Improper Input Validation vulnerability exists that could cause a Denial of Service when a crafted packet is sent to the controller over network port 1105/TCP. Affected Product: Modicon M218 Logic Controller (V5.1.0.6 and prior)
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Modicon M218 Logic Controller (V5.1.0.6 and prior) | Modicon M218 Logic Controller (V5.1.0.6 and prior) |
Weakness: CWE-20