Vulnerability · Published Jun 24, 2022 · Assigned by CERTVDE

CVE-2022-32139CODESYS runtime system prone to denial of service due to out of bounds read

Medium 6.5

In plain English

A medium-severity out-of-bounds read 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 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.0%top 35.6% 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 cause an out-of-bounds read, resulting in a denial-of-service condition. 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-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References