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CVE-2018-25236

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CVE-2018-25236

Published: Apr 3, 2026

Modified: May 14, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

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.

VendorProductVersions

Belden

Hirschmann HiOS

affected
0 - <= 05.07
affected
0 - <= 06.1.04
affected
0 - <= 06.2.00
unaffected
06.1.05
unaffected
07.0.00

+1 more versions

Belden

Hirschmann HiSecOS EAGLE

affected
0 - <= 03.00.02
unaffected
03.0.03

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

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