CVE Vulnerability

CVE-2021-26421

Skype for Business and Lync Spoofing Vulnerability

5.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26421 Patch Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:microsoft:skype_for_business_server:2015:cumulative_update_11:*:*:*:*:*:*
cpe:2.3:a:microsoft:lync_server:2013:cumulative_update_10:*:*:*:*:*:*
Information

Published : 2021-05-11 07:15

Updated : 2021-05-18 06:38

NVD link : CVE-2021-26421

Mitre link : CVE-2021-26421

Products Affected
No products.
CWE
NVD-CWE-noinfo