{"id":"CVE-2020-16851","state":"PUBLISHED","title":"OneDrive for Windows Elevation of Privilege Vulnerability","description":"<p>An elevation of privilege vulnerability exists when the OneDrive for Windows Desktop application improperly handles symbolic links. An attacker who successfully exploited this vulnerability could overwrite a targeted file with an elevated status.</p>\n<p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and delete a targeted file with an elevated status.</p>\n<p>The update addresses this vulnerability by correcting where the OneDrive updater performs file writes while running with elevation.</p>","publishedAt":"2020-09-11T17:08:35.000Z","updatedAt":"2024-08-04T13:45:33.215Z","severity":{"score":7.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C","source":"microsoft"},"assigner":"microsoft","products":["Microsoft OneDrive for Windows"],"affected":[{"vendor":"Microsoft","product":"OneDrive for Windows","versions":[{"version":"0","status":"affected","lessThan":"publication","versionType":"custom"}],"cpes":["cpe:2.3:a:microsoft:onedrive:-:*:*:*:*:windows:*:*"],"platforms":["Unknown"]}],"references":["https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16851"],"weaknesses":[],"ingestedAt":"2026-10-29T19:46:39.756Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/16xxx/CVE-2020-16851.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-16851","state":"PUBLISHED","datePublished":"2020-09-11T17:08:35.000Z","dateUpdated":"2024-08-04T13:45:33.215Z","assignerShortName":"microsoft","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateReserved":"2020-08-04T00:00:00.000Z"},"containers":{"cna":{"title":"OneDrive for Windows Elevation of Privilege Vulnerability","descriptions":[{"lang":"en-US","value":"<p>An elevation of privilege vulnerability exists when the OneDrive for Windows Desktop application improperly handles symbolic links. An attacker who successfully exploited this vulnerability could overwrite a targeted file with an elevated status.</p>\n<p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and delete a targeted file with an elevated status.</p>\n<p>The update addresses this vulnerability by correcting where the OneDrive updater performs file writes while running with elevation.</p>"}],"affected":[{"vendor":"Microsoft","product":"OneDrive for Windows","versions":[{"version":"0","status":"affected","lessThan":"publication","versionType":"custom"}],"cpes":["cpe:2.3:a:microsoft:onedrive:-:*:*:*:*:windows:*:*"],"platforms":["Unknown"]}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16851","tags":["x_refsource_MISC"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"HIGH","baseScore":7.1,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C"}}],"problemTypes":[{"descriptions":[{"description":"Denial of Service","lang":"en-US","type":"Impact"}]}],"providerMetadata":{"shortName":"microsoft","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","dateUpdated":"2023-12-31T21:35:01.918Z"},"datePublic":"2020-09-08T07:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16851","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T13:45:33.215Z"}}]}}}