CVE-2018-25236
CRITICALHirschmann HiOS HiSecOS Authentication Bypass via HTTP Management
Title source: cnaDescription
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.
References (2)
Core 2
Scores
CVSS v3
9.8
EPSS
0.0050
EPSS Percentile
39.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-287
Status
published
Products (8)
Belden/Hirschmann HiOS
< 05.07
Belden/Hirschmann HiOS
< 06.1.04
Belden/Hirschmann HiOS
< 06.2.00
Belden/Hirschmann HiOS
03.1.00
Belden/Hirschmann HiOS
06.1.05
Belden/Hirschmann HiOS
07.0.00
Belden/Hirschmann HiSecOS EAGLE
< 03.00.02
Belden/Hirschmann HiSecOS EAGLE
03.0.03
Published
Apr 03, 2026
Tracked Since
Apr 04, 2026