Description
A vulnerability has been identified in SIMATIC WinCC OA V3.15 (All versions < V3.15 P038), SIMATIC WinCC OA V3.16 (All versions < V3.16 P035), SIMATIC WinCC OA V3.17 (All versions < V3.17 P024), SIMATIC WinCC OA V3.18 (All versions < V3.18 P014). The affected component allows to inject custom arguments to the Ultralight Client backend application under certain circumstances. This could allow an authenticated remote attacker to inject arbitrary parameters when starting the client via the web interface (e.g., open attacker chosen panels with the attacker's credentials or start a Ctrl script).
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
E
Physical
RL
O
RC
Changed
Affected products
- Siemens / SIMATIC WinCC OA V3.15All versions < V3.15 P038 – All versions < V3.15 P038
- Siemens / SIMATIC WinCC OA V3.16All versions < V3.16 P035 – All versions < V3.16 P035
- Siemens / SIMATIC WinCC OA V3.17All versions < V3.17 P024 – All versions < V3.17 P024
- Siemens / SIMATIC WinCC OA V3.18All versions < V3.18 P014 – All versions < V3.18 P014