Vulnerability CVE-2021-26421
Published: 2021-05-11

Description:
Skype for Business and Lync Spoofing Vulnerability

Type:

NVD-CWE-noinfo

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
None
Affected software
Microsoft -> Lync server 
Microsoft -> Skype for business server 

 References:
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26421
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