Vulnerability · Published Sep 12, 2022 · Assigned by schneider

CVE-2022-37300

Critical 9.8

In plain English

A critical-severity security flaw in EcoStruxure Control Expert from Schneider Electric. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.8%top 43.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists that could cause unauthorized access in read and write mode to the controller when communicating over Modbus. Affected Products: EcoStruxure Control Expert Including all Unity Pro versions (former name of EcoStruxure Control Expert) (V15.0 SP1 and prior), EcoStruxure Process Expert, Including all versions of EcoStruxure Hybrid DCS (former name of EcoStruxure Process Expert) (V2021 and prior), Modicon M340 CPU (part numbers BMXP34*) (V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*) (V3.20 and prior).

Affected products (as reported)

VendorProductVersions
Schneider Electric EcoStruxure Control Expert SP1 – through 15.0
Schneider Electric EcoStruxure Process Expert V – through 2021
Schneider Electric Modicon M340 CPU BMXP34 – through 3.40
Schneider Electric Modicon M580 CPU BMEP – through 3.20BMEH – through 3.20

Weakness: CWE-640 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References