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CVE-2026-16731— Authentication and authorization bypass via cryptographic timing side-channel attack in StationScout

Quick assessment

Affected
OMICRON electronics GmbH OMICRON StationScout
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

omicronenergy stationscout是omicronenergy公司的一套变电站自动化巡检系统。 omicronenergy stationscout 3.05之前版本存在侧信道信息泄露漏洞，该漏洞源于后端身份验证机制存在加密时序侧信道漏洞，可能允许未经身份验证的攻击者伪造有效身份验证凭据，绕过身份验证和授权，冒充合法客户端，获取系统配置的完全访问权限，从而修改、重置或未经授权更改系统参数，或向连接的网络注入网络流量。

CVSS 8.3 · High EPSS 0.44% · P36

Affected Version Matrix 1

VendorProduct Version RangeStatus
OMICRON electronics GmbH OMICRON StationScout < 3.05 affected
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I. Basic Information for CVE-2026-16731

Vulnerability Information
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Vulnerability Title
Authentication and authorization bypass via cryptographic timing side-channel attack in StationScout
Source: CVE Program / CVE List V5
Vulnerability Description
OMICRON StationScout before version 3.05 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 or injecting network traffic into the connected network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H/E:U/S:P
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
omicronenergy stationscout 侧信道信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
omicronenergy stationscout是omicronenergy公司的一套变电站自动化巡检系统。 omicronenergy stationscout 3.05之前版本存在侧信道信息泄露漏洞，该漏洞源于后端身份验证机制存在加密时序侧信道漏洞，可能允许未经身份验证的攻击者伪造有效身份验证凭据，绕过身份验证和授权，冒充合法客户端，获取系统配置的完全访问权限，从而修改、重置或未经授权更改系统参数，或向连接的网络注入网络流量。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OMICRON electronics GmbH OMICRON StationScout 0 ~ 3.05 -

II. Public POCs for CVE-2026-16731

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III. Intelligence Information for CVE-2026-16731

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Vendor Advisories for CVE-2026-16731 (1)

Same Patch Batch · OMICRON electronics GmbH · 2026-08-06 · 3 CVEs total

CVE-2026-16315 8.7 HIGH Authentication and authorization bypass via cryptographic timing side-channel attack in St
CVE-2026-16316 4.3 MEDIUM Malformed IEC 61850 Sampled Values frames cause partial denial of service in StationGuard

IV. Related Vulnerabilities

Same vendor: OMICRON electronics GmbH
Same weakness: CWE-208

V. Comments for CVE-2026-16731

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