Vulnerability Details : CVE-2020-16851
<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>
<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>
<p>The update addresses this vulnerability by correcting where the OneDrive updater performs file writes while running with elevation.</p>
Vulnerability category: Gain privilege
Products affected by CVE-2020-16851
- cpe:2.3:a:microsoft:onedrive:-:*:*:*:*:windows:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-16851
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 27 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-16851
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.6
|
LOW | AV:L/AC:L/Au:N/C:N/I:P/A:P |
3.9
|
4.9
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
1.8
|
5.2
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
1.8
|
5.2
|
Microsoft Corporation |
CWE ids for CVE-2020-16851
-
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-16851
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16851
CVE-2020-16851 | OneDrive for Windows Elevation of Privilege VulnerabilityPatch;Vendor Advisory
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