CVE-2021-42029

Summary

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.

Affected Software

VendorProductVersion RangeStatus
SiemensSIMATIC STEP 7 (TIA Portal) V15All versionsaffected
SiemensSIMATIC STEP 7 (TIA Portal) V16All versions < V16 Update 5affected
SiemensSIMATIC STEP 7 (TIA Portal) V17All versions < V17 Update 2affected

Weaknesses

  • CWE-284: CWE-284: Improper Access Control

ADP Enrichment

CVE Program Container

Additional References

References