CVE-2026-16315
Authentication and authorization bypass via cryptographic timing side-channel attack in StationGuard
- State
- Published
- Severity
- 8.1 High
- Published
- Aug 6, 2026
- Updated
- Aug 6, 2026
- Reserved
- Jul 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.1 High | 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 | OMICRON |
| 3.1 | 8.7 High | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N | OMICRON |
Weaknesses
- CWE-208 Observable timing discrepancy
Affected Products
| Product | Versions |
|---|---|
OMICRON StationGuardOMICRON electronics GmbH |
|
References
- https://www.omicronenergy.com/.well-known/csaf/osa-21.jsonvendor-advisory
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