Ericsson Packet Core Controller (PCC) versions prior to 1.39 contain a directory traversal vulnerability in Configuration Management that could allow an attacker to change directory permissions, denying access to legitimate users.
Attack Parameters
Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0