CVE-2021-31195

Microsoft Exchange Server Remote Code Execution Vulnerability

Medium · published May 11, 2021

Patch now

High probability of exploitation

CVSS calls it medium at 6.5. It sits in the 99.5th percentile for exploit probability.

CVSS v3.1
6.5
EPSS
74%
Percentile
99.5
In the wild
Unconfirmed
What it is

Microsoft Exchange Server Remote Code Execution Vulnerability

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.73676 · 99.5th percentile
Published
2021-05-11T19:11Z
EPSS history
Timeline
  • 11 MAY 19:11Z
    Microsoft Exchange Server Remote Code Execution Vulnerability
    cvelistv5