{"id":"CVE-2026-16731","state":"PUBLISHED","title":"Authentication and authorization bypass via cryptographic timing side-channel attack in StationScout","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.\nAn 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.","publishedAt":"2026-08-06T13:14:25.937Z","updatedAt":"2026-08-06T14:43:50.431Z","severity":{"score":8.3,"label":"High","version":"4.0","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:H/E:U/S:P","source":"OMICRON"},"assigner":"OMICRON","products":["OMICRON electronics GmbH OMICRON StationScout"],"affected":[{"vendor":"OMICRON electronics GmbH","product":"OMICRON StationScout","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.05","versionType":"semver"}]}],"references":["https://www.omicronenergy.com/.well-known/csaf/osa-21.json"],"weaknesses":["CWE-208"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/16xxx/CVE-2026-16731.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16731","state":"PUBLISHED","datePublished":"2026-08-06T13:14:25.937Z","dateUpdated":"2026-08-06T14:43:50.431Z","assignerShortName":"OMICRON","assignerOrgId":"57995746-fc30-4a4d-94f6-a13d079c41f4","dateReserved":"2026-07-23T06:38:04.008Z"},"containers":{"cna":{"title":"Authentication and authorization bypass via cryptographic timing side-channel attack in StationScout","descriptions":[{"lang":"en","value":"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.\nAn 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."}],"affected":[{"vendor":"OMICRON electronics GmbH","product":"OMICRON StationScout","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.05","versionType":"semver"}]}],"references":[{"url":"https://www.omicronenergy.com/.well-known/csaf/osa-21.json","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"HIGH","exploitMaturity":"UNREPORTED","Safety":"PRESENT","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.3,"vectorString":"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-208","lang":"en","description":"CWE-208 Observable timing discrepancy","type":"CWE"}]}],"providerMetadata":{"shortName":"OMICRON","orgId":"57995746-fc30-4a4d-94f6-a13d079c41f4","dateUpdated":"2026-08-06T13:14:25.937Z"},"datePublic":"2026-07-31T07:00:00.000Z","cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:omicron_electronics_gmbh:omicron_stationscout:*:*:*:*:*:*:*:*","versionStartIncluding":"0","versionEndExcluding":"3.05"}]}]}],"source":{"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-06T14:43:44.387101Z","id":"CVE-2026-16731","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-06T14:43:50.431Z"}}]}}}