{"id":"CVE-2025-6026","state":"PUBLISHED","title":"An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain ","description":"An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain application metadata, including device information, geolocation, and telemetry data.","publishedAt":"2025-10-15T14:25:29.294Z","updatedAt":"2025-10-21T12:22:42.749Z","severity":{"score":2.3,"label":"Low","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"lenovo"},"assigner":"lenovo","products":["Lenovo Universal Device Client"],"affected":[{"vendor":"Lenovo","product":"Universal Device Client","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"25.7.0.21","versionType":"custom"}]}],"references":["https://support.lenovo.com/us/en/product_security/LEN-198727"],"weaknesses":["CWE-295"],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/6xxx/CVE-2025-6026.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-6026","state":"PUBLISHED","datePublished":"2025-10-15T14:25:29.294Z","dateUpdated":"2025-10-21T12:22:42.749Z","assignerShortName":"lenovo","assignerOrgId":"da227ddf-6e25-4b41-b023-0f976dcaca4b","dateReserved":"2025-06-12T12:28:13.697Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain application metadata, including device information, geolocation, and telemetry data."}],"affected":[{"vendor":"Lenovo","product":"Universal Device Client","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"25.7.0.21","versionType":"custom"}]}],"references":[{"url":"https://support.lenovo.com/us/en/product_security/LEN-198727"}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"ADJACENT","baseScore":2.3,"baseSeverity":"LOW","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-295","description":"CWE-295: Improper Certificate Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"lenovo","orgId":"da227ddf-6e25-4b41-b023-0f976dcaca4b","dateUpdated":"2025-10-21T12:22:42.749Z"},"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:lenovo:universal_device_client:*:*:*:*:*:*:*:*","versionEndExcluding":"25.7.0.21","versionStartIncluding":"0","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"credits":[{"lang":"en","type":"finder","value":"Lenovo thanks Tomi Koski from Visma / Red Team for reporting this issue."}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">Update Lenovo UDC to version 25.7.0.21 (or newer).&nbsp;\n\n<span style=\"background-color: rgb(255, 255, 255);\">Lenovo UDC is updated automatically through Windows Update.</span>\n\n</span><br>"}],"value":"Update Lenovo UDC to version 25.7.0.21 (or newer). \n\nLenovo UDC is updated automatically through Windows Update."}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.3.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-16T19:52:11.006758Z","id":"CVE-2025-6026","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-16T19:52:29.418Z"}}]}}}