# CVE-2020-17144

Microsoft Exchange Remote Code Execution Vulnerability

- Page: https://www.vulneraibility.com/cve/CVE-2020-17144
- CVSS: 8.4
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2022-05-03
- EPSS: 36.51% (percentile 98.5)
- Unvetted proof-of-concept code on GitHub: 2 GitHub proofs of concept (first 2020-12-09)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2024-01-05)
- Weakness: CWE-502
- Published: 2020-12-10

## Affected versions

- Microsoft Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31: affected < publication

A version outside these ranges is not a statement that it is unaffected.

## References

- [patch] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17144
- [other] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17144
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-17144

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.