Vulnerability CVE-2021-26422
Published: 2021-05-11

Description:
Skype for Business and Lync Remote Code Execution Vulnerability

Type:

CWE-77

 (Improper Neutralization of Special Elements used in a Command ('Command Injection'))

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Microsoft -> Lync server 
Microsoft -> Skype for business server 

 References:
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26422
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