CVE-2020-17143

Microsoft Exchange Server Information Disclosure Vulnerability

High · published December 9, 2020

Patch now

High probability of exploitation

CVSS calls it high at 8.8. It sits in the 99.4th percentile for exploit probability.

CVSS v3.1
8.8
EPSS
71%
Percentile
99.4
In the wild
Unconfirmed
What it is

Microsoft Exchange Server Information Disclosure Vulnerability

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.70632 · 99.4th percentile
Published
2020-12-09T23:36Z
EPSS history
Timeline
  • 09 DEC 23:36Z
    Microsoft Exchange Server Information Disclosure Vulnerability
    cvelistv5