Description
A vulnerability has been identified in SIMATIC CP 1604 (All versions), SIMATIC CP 1616 (All versions), SIMATIC CP 1623 (All versions), SIMATIC CP 1626 (All versions), SIMATIC CP 1628 (All versions). Affected devices insufficiently control continuous mapping of direct memory access (DMA) requests. This could allow local attackers with administrative privileges to cause a denial of service situation on the host. A physical power cycle is required to get the system working again.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
E
Physical
RL
O
RC
Changed
Affected products
- Siemens / SIMATIC CP 1604All versions – All versions
- Siemens / SIMATIC CP 1616All versions – All versions
- Siemens / SIMATIC CP 1623All versions – All versions
- Siemens / SIMATIC CP 1626All versions – All versions
- Siemens / SIMATIC CP 1628All versions – All versions