CVE-2021-26422

Skype for Business and Lync Remote Code Execution Vulnerability

CVSS v3 7.2 HIGH
CVSS v2.0 6.5 MEDIUM

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26422	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:lync_server:2013:cumulative_update_10::::::
	cpe:2.3:a:microsoft:skype_for_business_server:2015:cumulative_update_11::::::
	cpe:2.3:a:microsoft:skype_for_business_server:2019:cumulative_update_5::::::

History

02 Aug 2023, 00:15

Type	Values Removed	Values Added
CWE	~~CWE-77~~	NVD-CWE-noinfo

17 May 2021, 19:59

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.5 v3 : 7.2
CPE		cpe:2.3:a:microsoft:lync_server:2013:cumulative_update_10:::::: cpe:2.3:a:microsoft:skype_for_business_server:2019:cumulative_update_5:::::: cpe:2.3:a:microsoft:skype_for_business_server:2015:cumulative_update_11::::::
References	~~(N/A) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26422 -~~	(N/A) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26422 - Patch, Vendor Advisory
CWE		CWE-77

11 May 2021, 19:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-05-11 19:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-26422

Mitre link : CVE-2021-26422

CVE.ORG link : CVE-2021-26422

JSON object : View

Products Affected

microsoft

lync_server
skype_for_business_server

CWE

NVD-CWE-noinfo

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