Description
A memory leak in the TFTP service in B&R Automation Runtime versions <N4.26, <N4.34, <F4.45, <E4.53, <D4.63, <A4.73 and prior could allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
Low
Affected products
- B&R / Automation Runtimeunspecified – 4.1x
- B&R / Automation Runtime4.2x – N4.26
- B&R / Automation Runtime4.3x – N4.34
- B&R / Automation Runtime4.4x – F4.45
- B&R / Automation Runtime4.5x – E4.53
- B&R / Automation Runtime4.6x – D4.63
- B&R / Automation Runtime4.7x – A4.73