Description
Hirschmann HiOS and HiSecOS products RSP, RSPE, RSPS, RSPL, MSP, EES, EESX, GRS, OS, RED, EAGLE contain an authentication bypass vulnerability in the HTTP(S) management module that allows unauthenticated remote attackers to gain administrative access by crafting specially formed HTTP requests. Attackers can exploit improper authentication handling to obtain the authentication status and privileges of a previously authenticated user without providing valid credentials.
CVSS breakdown
CVSS 4.0
Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality (Vulnerable System)
High
Integrity (Vulnerable System)
High
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
High
Integrity
High
Availability
High
Affected products
- Belden / Hirschmann HiOS0 – 05.07
- Belden / Hirschmann HiOS0 – 06.1.04
- Belden / Hirschmann HiOS0 – 06.2.00
- Belden / Hirschmann HiOS06.1.05 – 06.1.05
- Belden / Hirschmann HiOS07.0.00 – 07.0.00
- Belden / Hirschmann HiOS03.1.00 – 03.1.00
- Belden / Hirschmann HiSecOS EAGLE0 – 03.00.02
- Belden / Hirschmann HiSecOS EAGLE03.0.03 – 03.0.03