CVE-2022-34761: schneider electric opc ua modicon communication module NULL Pointer Dereference
Vulnerability summary
CVE-2022-34761 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in schneider electric opc ua modicon communication module. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 59% of scored vulnerabilities.
Timeline
- 13-07-2022PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
A CWE-476: NULL Pointer Dereference vulnerability exists that could cause a denial of service of the webserver when parsing JSON content type. Affected Products: X80 advanced RTU Communication Module (BMENOR2200H) (V2.01 and later), OPC UA Modicon Communication Module (BMENUA0100) (V1.10 and prior)
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.89%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
+0.03 pp
From 0.87% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Schneider electric2 products
- opc ua modicon communication module≥ BMENUA0100, < V1.10
- x80 advanced rtu communication module≥ V2.01, < BMENOR2200H*
Schneider-electric2 products
- opc_ua_module_for_m580_firmware≤ 1.10
- x80_advanced_rtu_module_firmware≥ 2.01 (No fix recorded)
2 vendors · 4 products