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Vulnerability record · CVE-2020-1595 · published 11 September 2020

CVE-2020-1595: Microsoft sharepoint enterprise server download of code without integrity check vulnerability

Microsoft · Sharepoint Enterprise Server

<p>A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.</p> <p>Exploitation of this vulnerability requires that a user access a susceptible API on an affected version of SharePoint with specially-formatted input.</p> <p>The security update addresses the vulnerability by correcting how SharePoint handles deserialization of untrusted data.</p>

9.9 CVSS 3.1 Critical EPSS 2.0% · top 20.3% CWE-494 · Download of code without integrity check
9.9CVSS 3.1 base score, v2 6.5
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

<p>A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.</p> <p>Exploitation of this vulnerability requires that a user access a susceptible API on an affected version of SharePoint with specially-formatted input.</p> <p>The security update addresses the vulnerability by correcting how SharePoint handles deserialization of untrusted data.</p>

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1595 PatchVendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1595 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-1595), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.