QID 591128

Date Published: 2022-10-20

QID 591128: Siemens SIMATIC STEP 7 TIA Portal Improper Access Control Vulnerability (SSA-350757)

SIMATIC STEP 7 (TIA Portal) is an engineering software to configure and program SIMATIC controllers and Standard PCs running WinAC RTX.

AFFECTED PRODUCTS
The following Siemens products are affected:
SIMATIC STEP 7 (TIA Portal) V15: All versions
SIMATIC STEP 7 (TIA Portal) V16:All versions prior to V16 Update 5
SIMATIC STEP 7 (TIA Portal) V17: All versions prior to V17 Update 2

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

A local user who is tricked into exploiting these vulnerabilities could possibly escalate privileges for an attacker.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 7.2 severity.
    • Solution

    Customers are advised to refer to CERT MITIGATIONS section SSA-350757 for affected packages and patching details.

    Vendor References

    CVEs related to QID 591128

    CVE-2021-42029 |
    Software Advisories
    Advisory ID Software Component Link
    SSA-350757 URL Logo cert-portal.siemens.com/productcert/pdf/ssa-350757.pdf
    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].