Vulnerability in Microsoft Exchange Server 2013 Cumulative Update 23

CVE-2020-17084

Microsoft Exchange Server Remote Code Execution Vulnerability

EPSS: 0.002 (41.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-17084?
CVE-2020-17084 is a high-severity vulnerability in Microsoft Exchange Server 2013 Cumulative Update 23. CVSS score: 8.5/10. Published 2020-11-11.
How severe is CVE-2020-17084?
High severity. CVSS v3 base score is 8.5 out of 10.
Is CVE-2020-17084 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.