A CWE-269: Improper Privilege Management vulnerability exists that could cause a denial of service of the Ethernet communication of the con…

published 2022-11-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-15423

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

A CWE-269: Improper Privilege Management vulnerability exists that could cause a denial of service of the Ethernet communication of the controller when sending a specific request over SNMP. Affected products: Modicon M340 CPUs(BMXP34* versions prior to V3.40), Modicon M340 X80 Ethernet Communication modules:BMXNOE0100 (H), BMXNOE0110 (H), BMXNOR0200H RTU(BMXNOE* all versions)(BMXNOR* versions prior to v1.7 IR24)

Patch / fix

fixed in 2

Schneider Electric Modicon M340 CPUs V3.40
Schneider Electric Modicon M340 X80 Ethernet Communication modules: BMXNOE0100 (H) BMXNOE0110 (H) BMXNOR0200H RTU v1.7 IR24

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 18 mo ago (2025-04-29)

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Schneider Electric Modicon M340 CPUs
Schneider Electric Modicon M340 X80 Ethernet Communication modules: BMXNOE0100 (H) BMXNOE0110 (H) BMXNOR0200H RTU

Classification

Weakness

CWE-269 Improper Privilege Management

References

se.com /us/en/download/document/SEVD-2022-102-02/
vendor-advisory

Sources

CVE List CVE-2022-0222
NVD CVE-2022-0222

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary