CVE Vulnerability

CVE-2021-26427

Microsoft Exchange Server Remote Code Execution Vulnerability

5.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.5 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.6 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26427 Patch Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:*
Information

Published : 2021-10-13 01:15

Updated : 2021-10-19 11:09

NVD link : CVE-2021-26427

Mitre link : CVE-2021-26427

Products Affected
No products.
CWE
NVD-CWE-noinfo