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[email protected]CVE-2020-16851

HistorySep 11, 2020 - 5:15 p.m.

CVE-2020-16851

2020-09-1117:15:16

CWE-59

[email protected]

web.nvd.nist.gov

onedrive

windows

elevation of privilege

cve-2020-16851

nvd

3.6 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:P/A:P

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

7.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.4%

JSON

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.
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.
The update addresses this vulnerability by correcting where the OneDrive updater performs file writes while running with elevation.

Affected configurations

Vulners

NVD

Node

microsoftonedriveMatch0windows

VendorProductVersionCPE
microsoftonedrive0cpe:2.3:a:microsoft:onedrive:0:*:*:*:*:windows:*:*

Vendor	Product	Version	CPE
microsoft	onedrive	0	cpe:2.3:a:microsoft:onedrive:0:::::windows::

CNA Affected

[
  {
    "vendor": "Microsoft",
    "product": "OneDrive for Windows",
    "cpes": [
      "cpe:2.3:a:microsoft:onedrive:-:*:*:*:*:windows:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "0",
        "lessThan": "publication",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]