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CVE-2020-17144

Microsoft Exchange Remote Code Execution Vulnerability

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021.

Severity
High 8.4
Published
10 Dec 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Microsoft Exchange ServerServers and applications · cpe:a:microsoft:exchange_server
  • Version 2010-sp3_rollup_31

Known exploited

CISA name
Microsoft Exchange Server Remote Code Execution Vulnerability
Required action
Apply updates per vendor instructions.
Due for US agencies
3 May 2022
Used in ransomware
Not known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-17144
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-17144