Vulnerability · Published Jul 13, 2022 · Assigned by schneider
CVE-2022-34759
High 7.5
In plain English
A high-severity out-of-bounds write in OPC UA Modicon Communication Module 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)7.5High
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-787: Out-of-bounds Write vulnerability exists that could cause a denial of service of the webserver due to improper parsing of the HTTP Headers. Affected Products: X80 advanced RTU Communication Module (BMENOR2200H) (V1.0), OPC UA Modicon Communication Module (BMENUA0100) (V1.10 and prior)
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Schneider Electric | OPC UA Modicon Communication Module | BMENUA0100 – before V1.10 |
| Schneider Electric | X80 advanced RTU Communication Module | BMENOR2200H V1.0 |
Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H