QID 590754

Date Published: 2022-03-29

QID 590754: 3s-Smart CodeSys Gmbh Denial of Service (DoS) Vulnerability (Advisory2021-07)

Crafted web server requests may read or write arbitrary memory or files in the CODESYS Control runtime system or may cause invalid memory accesses to execute code or to crash the CODESYS web server or the CODESYS Control runtime system.

AFFECTED PRODUCTS
All CODESYS V2 web servers running stand-alone or as part of the CODESYS runtime system prior version V1.1.9.20

QID Detection Logic (Authenticated):
QID checks for the Vulnerable version using windows registry keys.

Successful remote exploitation of these vulnerabilities could lead to denial of service.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

CODESYS GmbH has released version V1.1.9.20 of the CODESYS V2 web server to solve the noted vulnerability issues.

Customers are advised to refer to CERT MITIGATIONS section Advisory2020-07 for affected packages and patching details.

Vendor References

Advisory2021-07 - customers.codesys.com/index.php?eID=dumpFile&t=f&f=14726&token=553da5d11234bbe1ceed59969d419a71bb8c8747&download=

CVEs related to QID 590754

CVE-2021-30189 | CVE-2021-30190 | CVE-2021-30191 | CVE-2021-30192 | CVE-2021-30193 | CVE-2021-30194 |

Software Advisories

Advisory ID	Software	Component	Link
Advisory2021-07			customers.codesys.com/index.php?eID=dumpFile&t=f&f=14726&token=553da5d11234bbe1ceed59969d419a71bb8c8747&download=

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