Vulnerability · Published Jun 24, 2022 · Assigned by CERTVDE

CVE-2022-32137CODESYS Runtime System prone to heap based buffer overflow

High 8.8

In plain English

A high-severity heap buffer overflow in PLCWinNT from CODESYS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.4%top 26.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In multiple CODESYS products, a low privileged remote attacker may craft a request, which may cause a heap-based buffer overflow, resulting in a denial-of-service condition or memory overwrite. User interaction is not required.

Affected products (as reported)

VendorProductVersions
CODESYS Runtime Toolkit V2 – before V2.4.7.57
CODESYS PLCWinNT V2 – before V2.4.7.57

Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References