Description
A vulnerability has been identified in SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC04), SIMATIC WinCC Runtime Professional V17 (All versions < V17 Update 8), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 4), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 1), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 16), SIMATIC WinCC V8.0 (All versions < V8.0 Update 5). The affected products do not properly validate the input provided in the login dialog box. An attacker could leverage this vulnerability to cause a persistent denial of service condition.
CVSS breakdown
CVSS 4.0
Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality (Vulnerable System)
None
Integrity (Vulnerable System)
None
Availability (Vulnerable System)
High
Confidentiality (Subsequent System)
None
Integrity (Subsequent System)
None
Availability (Subsequent System)
None
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
E
Physical
RL
O
RC
Changed
Affected products
- Siemens / SIMATIC PCS 7 V9.10 – V9.1 SP2 UC04
- Siemens / SIMATIC WinCC Runtime Professional V170 – V17 Update 8
- Siemens / SIMATIC WinCC Runtime Professional V180 – V18 Update 4
- Siemens / SIMATIC WinCC Runtime Professional V190 – V19 Update 1
- Siemens / SIMATIC WinCC V7.50 – V7.5 SP2 Update 16
- Siemens / SIMATIC WinCC V8.00 – V8.0 Update 5