Microsoft Office SharePoint
CVE-2020-1440 — Microsoft SharePoint Server Tampering Vulnerability
Executive Summary
A tampering vulnerability exists when Microsoft SharePoint Server fails to properly handle profile data. An attacker who successfully exploited this vulnerability could modify a targeted user's profile data. To exploit the vulnerability, an attacker would need to be authenticated on an affected SharePoint Server. The attacker would then need to send a specially modified request to the server, targeting a specific user. The security update addresses the vulnerability by modifying how Microsoft SharePoint Server handles profile data.
Overview
6.3
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:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
Required
SCOPE
Unchanged
CONFIDENTIALITY
Low
INTEGRITY
Low
AVAILABILITY
Low
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 5.7
EPSS Score
0.01773
probability of exploitation in the next 30 days
0.7527 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
4 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft SharePoint Enterprise Server 2013 Service Pack 1 | 4484515 (Security Update) |
Important | Tampering | Maybe |
| Microsoft SharePoint Enterprise Server 2016 | 4484506 (Security Update) |
Important | Tampering | Maybe |
| Microsoft SharePoint Server 2010 Service Pack 2 | 4486664 (Security Update) |
Important | Tampering | Maybe |
| Microsoft SharePoint Server 2019 | 4484505 (Security Update) |
Important | Tampering | Maybe |
Patches
4 patches
| Article | Type | Restart |
|---|---|---|
4484515 |
Security Update | Maybe |
4484506 |
Security Update | Maybe |
4486664 |
Security Update | Maybe |
4484505 |
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
References
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