Microsoft Office SharePoint
CVE-2020-0933 — Microsoft SharePoint Server Information Disclosure Vulnerability
Executive Summary
An information disclosure vulnerability exists in SharePoint Server. An attacker who exploited this vulnerability could read arbitrary files on the server. To exploit the vulnerability, an attacker would need to send a specially crafted request to a susceptible SharePoint Server instance. The update addresses the vulnerability by changing how affected APIs process requests.
Overview
5.4
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
Required
SCOPE
Changed
EPSS Score
0.01515
probability of exploitation in the next 30 days
0.71212 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
3 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft SharePoint Enterprise Server 2016 | 4484299 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft SharePoint Foundation 2013 Service Pack 1 | 4484321 (Security Update) |
Important | Information Disclosure | Maybe |
| Microsoft SharePoint Server 2019 | 4484292 (Security Update) |
Important | Information Disclosure | Maybe |
Patches
3 patches
| Article | Type | Restart |
|---|---|---|
4484299 |
Security Update | Maybe |
4484321 |
Security Update | Maybe |
4484292 |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Lee Thao from Viettel Cyber Security
References
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