CVE-2018-25236

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 v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://assets.belden.com/m/52ecadbb5f1b0e04/original/Security-Bulletin-Web-Server-Authentication-Bypass-HiOS-HiSecOS-Hirschmann-BSECV-2018-05.pdf
https://www.vulncheck.com/advisories/hirschmann-hios-hisecos-authentication-bypass-via-http-management

Configurations

No configuration.

History

03 Apr 2026, 23:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-03 23:17

Updated : 2026-06-17 01:55

NVD link : CVE-2018-25236

Mitre link : CVE-2018-25236

CVE.ORG link : CVE-2018-25236

JSON object : View

Products Affected

No product.

CWE

CWE-287

Improper Authentication

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