# CVE-2020-17144: Microsoft Exchange Remote Code Execution Vulnerability

CVE-2020-17144 is fixed in Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31 on 1 platform by KB4593467 (version ), released December 8, 2020. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on November 3, 2021. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/cve/CVE-2020-17144
- Priority: Patch now
- CVSS: 8.4 (Important)
- EPSS: 0.3651
- CISA KEV: listed Nov 3, 2021, federal due date May 3, 2022
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation More Likely
- Published: Dec 8, 2020
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31 |  | [KB4593467](https://patchblox.com/security/data/fix/microsoft/kb4593467.md) | Dec 8, 2020 |

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