Description
A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SINEC NMS (All versions < V4.0), SINEMA Remote Connect (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions), Totally Integrated Automation Portal (TIA Portal) V20 (All versions), User Management Component (UMC) (All versions < V2.15.1.1). Affected products contain a out of bound read buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to cause a denial of service condition.
CVSS breakdown
CVSS 4.0
Attack Vector
Network
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
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- Siemens / SIMATIC PCS neo V4.10 – *
- Siemens / SIMATIC PCS neo V5.00 – *
- Siemens / SINEC NMS0 – V4.0
- Siemens / SINEMA Remote Connect0 – *
- Siemens / Totally Integrated Automation Portal (TIA Portal) V170 – *
- Siemens / Totally Integrated Automation Portal (TIA Portal) V180 – *
- Siemens / Totally Integrated Automation Portal (TIA Portal) V190 – *
- Siemens / Totally Integrated Automation Portal (TIA Portal) V200 – *
- Siemens / User Management Component (UMC)0 – V2.15.1.1