Vulnerability in Microsoft Exchange Server 2013 Cumulative Update 23

CVE-2020-17132

Microsoft Exchange Remote Code Execution Vulnerability

EPSS: 0.798 (99.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-17132?
CVE-2020-17132 is a critical-severity vulnerability in Microsoft Exchange Server 2013 Cumulative Update 23. CVSS score: 9.1/10. Published 2020-12-09.
How severe is CVE-2020-17132?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2020-17132 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.