CVE-2026-16315

Authentication and authorization bypass via cryptographic timing side-channel attack in StationGuard

Published Aug 6, 2026 CVSS 4.0 · 8.1 High EPSS < 1% KEV · Not listed
Description
OMICRON StationGuard before version 4.10 contains a cryptographic timing side-channel vulnerability in the backend authentication mechanism that may allow an unauthenticated attacker to forge valid authentication credentials, bypass authentication and authorization, and impersonate legitimate clients.
An attacker can gain full access to the system configuration, allowing modification, reset, or unauthorized alteration of system parameters.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description OMICRON StationGuard before version 4.10 contains a cryptographic timing side-channel vulnerability in the backend authentication mechanism that may allow an unauthenticated attacker to forge valid authentication credentials, bypass authentication and authorization, and impersonate legitimate clients. An attacker can gain full access to the system configuration, allowing modification, reset, or unauthorized alteration of system parameters.
Title Authentication and authorization bypass via cryptographic timing side-channel attack in StationGuard
First Time appeared Omicron Electronics Gmbh
Omicron Electronics Gmbh omicron Stationguard
Weaknesses CWE-208
CPEs cpe:2.3:a:omicron_electronics_gmbh:omicron_stationguard:*:*:*:*:*:*:*:*
Vendors & Products Omicron Electronics Gmbh
Omicron Electronics Gmbh omicron Stationguard
References
Metrics cvssV3_1

{'score': 8.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.1, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OMICRON
Published
Updated
Aug 6, 2026, 2:44 PM
Reserved
Jul 20, 2026, 3:44 PM
Status
Deferred
Published
Aug 6, 2026, 2:16 PM
Modified
Oct 23, 2026, 9:10 PM