QID 590552

Date Published: 2021-10-21

QID 590552: Siemens SIMATIC Software Products (Update A) Incorrect Permission Assignment for Critical Resource Vulnerability (ICSA-21-194-06)

AFFECTED PRODUCTS
Siemens reports this vulnerability affects the following SIMATIC software products:
SIMATIC STEP 7 V5.X: All versions prior to v5.7
SINAMICS STARTER (containing STEP 7 OEM version): All versions prior to 5.4 SP2 HF1

QID Detection Logic (Authenticated):
QID checks for the Vulnerable version of Siemens using registry "HKLM\SOFTWARE\Siemens"

Successful exploitation of this vulnerability could allow an attacker to manipulate parameters or the behavior of devices configured by the affected software products.

CVSS V3 rated as Critical - 8.8 severity.

CVSS V2 rated as High - 7.2 severity.

Solution

Customers are advised to refer to CERT MITIGATIONS section ICSA-21-194-06 for affected packages and patching details.

Vendor References

ICSA-21-194-06 - www.us-cert.gov/ics/advisories/ICSA-21-194-06

CVEs related to QID 590552

CVE-2021-31894 |

Software Advisories

Advisory ID	Software	Component	Link
ICSA-21-194-06			www.us-cert.gov/ics/advisories/ICSA-21-194-06

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