Description
Hirschmann EagleSDV firmware prior to 05.4.02 contains a denial-of-service vulnerability in TLS session establishment. Attackers can crash the device during TLS handshake by exploiting protocol downgrades to TLS 1.0 or TLS 1.1, interrupting service availability.
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
- Belden / Hirschmann EagleSDV05.4.02 – 05.4.02
- Belden / Hirschmann EagleSDV0 – 05.4.01