Microsoft Office
CVE-2020-1439 — PerformancePoint Services Remote Code Execution Vulnerability
Executive Summary
A remote code execution vulnerability exists in PerformancePoint Services for SharePoint Server when the software fails to check the source markup of XML file input. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the process responsible for deserialization of the XML content. To exploit this vulnerability, an attacker could upload a specially crafted document to a server utilizing an affected product to process content. The security update addresses the vulnerability by correcting how PerformancePoint Services validates the source markup of XML content.
Overview
8.8
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
EPSS Score
0.20265
probability of exploitation in the next 30 days
0.97143 percentile - updated 2026-06-21
View on FIRST.org
Affected Products
1 affected product
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft SharePoint Enterprise Server 2013 Service Pack 1 4484443 (Security Update) 4484353 (Security Update) Critical Remote Code Execution 4484405 4011584 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft SharePoint Enterprise Server 2016 4484436 (Security Update) 4484440 (Security Update) Critical Remote Code Execution 4484402 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft SharePoint Foundation 2013 Service Pack 1 4484448 (Security Update) 4484411 (Security Update) Critical Remote Code Execution 4484409 4484322 Base: N/A Temporal: N/A Vector: N/A Maybe None Microsoft SharePoint Server 2010 Service Pack 2 | 4484374 (Security Update) |
Critical | Remote Code Execution | Maybe |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
4484374 |
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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