CVE-2021-26421

Skype for Business and Lync Spoofing Vulnerability

CVSS v3 6.5 MEDIUM
CVSS v2.0 5.8 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.3 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

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

History

No history.

Information

Published : 2021-05-11 19:15

Updated : 2023-08-02 00:15

NVD link : CVE-2021-26421

Mitre link : CVE-2021-26421

CVE.ORG link : CVE-2021-26421

JSON object : View

Products Affected

microsoft

skype_for_business_server
lync_server

CWE

NVD-CWE-noinfo

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