Vulnerability · Published Jun 24, 2022 · Assigned by CERTVDE

CVE-2022-32143CODESYS runtime system prone to directory acces

High 8.8

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 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.2%top 31.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In multiple CODESYS products, file download and upload function allows access to internal files in the working directory e.g. firmware files of the PLC. All requests are processed on the controller only if no level 1 password is configured on the controller or if remote attacker has previously successfully authenticated himself to the controller. A successful Attack may lead to a denial of service, change of local files, or drain of confidential Information. 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-552 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References