# CVE-2020-0933: Microsoft SharePoint Server Information Disclosure Vulnerability

CVE-2020-0933 is fixed in 3 products on 1 platform, first by KB4484299, released April 14, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2020-0933
- Priority: High
- CVSS: n/a (Important)
- EPSS: 0.0152
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Apr 14, 2020
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-0933

## Description

<p>An information disclosure vulnerability exists in SharePoint Server. An attacker who exploited this vulnerability could read arbitrary files on the server.</p> <p>To exploit the vulnerability, an attacker would need to send a specially crafted request to a susceptible SharePoint Server instance.</p> <p>The update addresses the vulnerability by changing how affected APIs process requests.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server 2016 |  | [KB4484299](https://patchblox.com/security/data/fix/microsoft/kb4484299.md) | Apr 14, 2020 |
| Microsoft | Microsoft SharePoint Foundation 2013 Service Pack 1 |  | [KB4484321](https://patchblox.com/security/data/fix/microsoft/kb4484321.md) | Apr 14, 2020 |
| Microsoft | Microsoft SharePoint Server 2019 |  | [KB4484292](https://patchblox.com/security/data/fix/microsoft/kb4484292.md) | Apr 14, 2020 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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