CVE-2018-25236
Hirschmann HiOS HiSecOS Authentication Bypass via HTTP Management
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
6th
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.
| CWE | CWE-287 |
| Vendor | belden |
| Product | hirschmann hios |
| Published | Apr 3, 2026 |
| Last Updated | Apr 6, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Belden / Hirschmann HiOS
0 ≤ 05.07 0 ≤ 06.1.04 0 ≤ 06.2.00
Belden / Hirschmann HiSecOS EAGLE
0 ≤ 03.00.02