CVE-2020-17144CISA KEV

Microsoft Exchange Server Remote Code Execution Vulnerability

Severity unknownCVSS unknownCheck the vendor advisory for fixed versions

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA KEV Check MSRC

CISA catalog record

Microsoft Exchange Server improperly validates cmdlet arguments which allow an attacker to perform remote code execution.

Product: Exchange Server
Added to KEV: 3 Nov 2021
Federal remediation due: 3 May 2022
Known ransomware use: Not reported

Page history

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Field-level log (2)

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23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2020-17144. The catalog has a separate collection scope from Microsoft release records.

More advisories, affected versions and source history

cve-program · CVE-2020-17144

Published

Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Microsoft",
                    "product": "Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31",
                    "versions": [
                        {
                            "version": "0",
                            "lessThan": "publication",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON