QID 591414

QID 591414: Siemens SIMATIC S7-PLCSIM Advanced Denial of Service (DoS) Vulnerability (SSA-382653)

AFFECTED PRODUCTS
The following Siemens products are affected: SIMATIC S7-PLCSIM Advanced: All versions prior to v5.0

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 unauthenticated attacker to perform a denial-of-service attack under certain conditions.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as High - 7.8 severity.

Solution

Customers are advised to refer to CERT MITIGATIONS section SSA-382653 for affected packages and patching details.Workaround:
Restrict access to port 102/tcp to trusted systems e.g. with an external firewall

Vendor References

SSA-382653 - cert-portal.siemens.com/productcert/html/ssa-382653.html

CVEs related to QID 591414

CVE-2021-40365 | CVE-2021-44693 | CVE-2021-44694 | CVE-2021-44695 |

Software Advisories

Advisory ID	Software	Component	Link
SSA-382653			cert-portal.siemens.com/productcert/html/ssa-382653.html

By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].