QID 591220

QID 591220: CODESYS V3 Improper Certificate Validation Vulnerabilities (Advisory 2021-18 Version: 2.0)

Multiple vulnerabilities were discovered in 3S-Smart CodeSYS V3.

Affected Versions:
versions prior to V3.5.17.0

QID Detection Logic:
The QID checks for App Paths\CODESYS.exe in HKLM in the windows registry to check the vulnerable version of the product.

CODESYS Git lacks server certificate validation using HTTPS protocol. Therefore, the server connection is vulnerable to a man-in-the-middle attack.

CVSS V3 rated as High - 7.4 severity.

CVSS V2 rated as Medium - 5.8 severity.

Solution

The vendor has released a patch version , for more information kindly visit Advisory 2022-02 V6.0

Vendor References

Advisory 2021-18 Version: 2.0 - customers.codesys.com/index.php?eID=dumpFile&t=f&f=16959&token=3ce11e44a3277c4520d732ea2e630f2e06bd46ff&download=

CVEs related to QID 591220

CVE-2021-34599 |

Software Advisories

Advisory ID	Software	Component	Link
Advisory 2021-18 Version: 2.0			customers.codesys.com/index.php?eID=dumpFile&t=f&f=16959&token=3ce11e44a3277c4520d732ea2e630f2e06bd46ff&download=

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