Vulnerability · Published Jun 24, 2022 · Assigned by CERTVDE

CVE-2022-32142CODESYS runtime system prone to denial of service due to use of out of range pointer

High 8.1

In plain English

A high-severity security flaw 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 1.1% (higher than 65% of all known vulnerabilities).

Severity (CVSS 3.1)8.1High
Exploit odds (30 days)1.1%top 34.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Multiple CODESYS Products are prone to a out-of bounds read or write access. A low privileged remote attacker may craft a request with invalid offset, which can cause an out-of-bounds read or write access, resulting in denial-of-service condition or local memory overwrite, which can lead to a change of local files. 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-823 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

References