CVE-2021-31207

high

Description

Microsoft Exchange Server Security Feature Bypass Vulnerability

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31207

https://www.zerodayinitiative.com/advisories/ZDI-21-819/

http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html

Details

Source: MITRE

Published: 2021-05-11

Updated: 2022-07-12

Type: CWE-22

Risk Information

CVSS v2

Base Score: 6.5

Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8

Severity: MEDIUM

CVSS v3

Base Score: 7.2

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.2

Severity: HIGH