A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) V15 (All versions), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 5), SIMATIC STEP 7 (TIA Portal) V17 (All versions < V17 Update 2). An attacker could achieve privilege escalation on the web server of certain devices due to improper access control vulnerability in the engineering system software. The attacker needs to have direct access to the impacted web server.

Related CVEs

CVE-2021-42029

Key Information

GHSA ID

GHSA-vp88-r9qc-vwrw

Published

April 13, 2022 12:00 AM

Last Modified

April 20, 2022 12:00 AM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: June 14, 2025 6:24 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.