7.5

CVE-2022-0222: schneider electric modicon m340 cpus Improper Privilege Management

CVSS: 7.5v3.1HighModified
Published 22-11-2022Last modified 29-04-2025
Open JSON

Vulnerability summary

CVE-2022-0222 is a high (CVSS 7.5) Improper Privilege Management vulnerability in schneider electric modicon m340 cpus. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.61%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-11-2022
    PublishedVulnerability first disclosed.
  2. 29-04-2025
    Last modifiedVulnerability information updated.

Description

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)

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.61%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

+0.02 pp

From 0.58% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.61%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Schneider-electric14 products
Schneider electric2 products
  • modicon m340 cpus≥ BMXP34*, < V3.40
  • modicon m340 x80 ethernet communication modules: bmxnoe0100 (h) bmxnoe0110 (h) bmxnor0200h rtuBMXNOE* All Versions | ≥ BMXNOR*, < v1.7 IR24

2 vendors · 16 products

References

1 links