Vulnerability · Published Feb 4, 2022 · Assigned by schneider

CVE-2022-22724

High 7.5

In plain English

A high-severity uncontrolled resource consumption in Modicon M340 CPUs: BMXP34 (All Versions). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)0.9%top 39.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause a denial of service on ports 80 (HTTP) and 502 (Modbus), when sending a large number of TCP RST or FIN packets to any open TCP port of the PLC. Affected Product: Modicon M340 CPUs: BMXP34 (All Versions)

Affected products (as reported)

VendorProductVersions
n/a Modicon M340 CPUs: BMXP34 (All Versions) Modicon M340 CPUs: BMXP34 (All Versions)

Weakness: CWE-400

References