{"api_version":"1","generated_at":"2026-11-08T04:45:11+00:00","cve":"CVE-2025-41421","urls":{"html":"https://cve.report/CVE-2025-41421","api":"https://cve.report/api/cve/CVE-2025-41421.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2025-41421","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-41421"},"summary":{"title":"Privilege Escalation via Symbolic Link Spoofing in TeamViewer Client","description":"Improper handling of symbolic links in the TeamViewer Full Client and Host for Windows — in versions prior to 15.70 of TeamViewer Remote and Tensor — allows an attacker with local, unprivileged access to a device lacking adequate malware protection to escalate privileges by spoofing the update file path. This may result in unauthorized access to sensitive information.","state":"PUBLISHED","assigner":"TV","published_at":"2025-10-01 14:15:39","updated_at":"2026-06-17 09:22:50"},"problem_types":["CWE-59","CWE-59 CWE-59 Improper Link Resolution Before File Access ('Link Following')"],"metrics":[{"version":"3.1","source":"psirt@teamviewer.com","type":"Secondary","score":"4.7","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","baseScore":4.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"4.7","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","data":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"references":[{"url":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1004/","name":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1004/","refsource":"psirt@teamviewer.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-41421","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-41421","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"TeamViewer","product":"Full Client","version":"affected 11.0.0 15.70 custom","platforms":["Windows"]},{"source":"CNA","vendor":"TeamViewer","product":"Host","version":"affected 11.0.0 15.70 custom","platforms":["Windows"]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Update to the latest version.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"@TwoSevenOneT (X) with ZeroSalarium.com","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2025","cve_id":"41421","cve":"CVE-2025-41421","epss":"0.001380000","percentile":"0.028480000","score_date":"2026-10-18","updated_at":"2026-10-19 00:13:06"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2025-41421","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-10-01T13:59:12.175007Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2025-10-01T13:59:17.408Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","platforms":["Windows"],"product":"Full Client","vendor":"TeamViewer","versions":[{"lessThan":"15.70","status":"affected","version":"11.0.0","versionType":"custom"}]},{"defaultStatus":"unaffected","platforms":["Windows"],"product":"Host","vendor":"TeamViewer","versions":[{"lessThan":"15.70","status":"affected","version":"11.0.0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"@TwoSevenOneT (X) with ZeroSalarium.com"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">Improper handling of symbolic links in the TeamViewer Full Client and Host for Windows — in versions prior to 15.70 of TeamViewer Remote and Tensor — allows an attacker with local, unprivileged access to a device lacking adequate malware protection to escalate privileges by spoofing the update file path. This may result in unauthorized access to sensitive information.</span>"}],"value":"Improper handling of symbolic links in the TeamViewer Full Client and Host for Windows — in versions prior to 15.70 of TeamViewer Remote and Tensor — allows an attacker with local, unprivileged access to a device lacking adequate malware protection to escalate privileges by spoofing the update file path. This may result in unauthorized access to sensitive information."}],"impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233 Privilege Escalation"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-59","description":"CWE-59 Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2025-10-01T13:48:38.754Z","orgId":"13430f76-86eb-43b2-a71c-82c956ef31b6","shortName":"TV"},"references":[{"url":"https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1004/"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Update to the latest version.\n\n<br>"}],"value":"Update to the latest version."}],"source":{"discovery":"EXTERNAL"},"title":"Privilege Escalation via Symbolic Link Spoofing in TeamViewer Client","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"13430f76-86eb-43b2-a71c-82c956ef31b6","assignerShortName":"TV","cveId":"CVE-2025-41421","datePublished":"2025-10-01T13:48:38.754Z","dateReserved":"2025-04-30T08:08:15.983Z","dateUpdated":"2025-10-01T13:59:17.408Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2025-10-01 14:15:39","lastModifiedDate":"2026-06-17 09:22:50","problem_types":["CWE-59","CWE-59 CWE-59 Improper Link Resolution Before File Access ('Link Following')"],"metrics":{"cvssMetricV31":[{"source":"psirt@teamviewer.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","baseScore":4.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":1,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-10-01T13:59:12.175007Z","id":"CVE-2025-41421","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2025","CveId":"41421","Ordinal":"1","Title":"Privilege Escalation via Symbolic Link Spoofing in TeamViewer Cl","CVE":"CVE-2025-41421","Year":"2025"},"notes":[{"CveYear":"2025","CveId":"41421","Ordinal":"1","NoteData":"Improper handling of symbolic links in the TeamViewer Full Client and Host for Windows — in versions prior to 15.70 of TeamViewer Remote and Tensor — allows an attacker with local, unprivileged access to a device lacking adequate malware protection to escalate privileges by spoofing the update file path. This may result in unauthorized access to sensitive information.","Type":"Description","Title":"Privilege Escalation via Symbolic Link Spoofing in TeamViewer Cl"}]}}}