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[email protected]CVE-2021-26421

HistoryMay 11, 2021 - 7:15 p.m.

CVE-2021-26421

2021-05-1119:15:00

NVD-CWE-noinfo

[email protected]

web.nvd.nist.gov

cve-2021-26421

skype for business

lync

spoofing

vulnerability

nvd

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N

6.7 Medium

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

31.1%

JSON

Skype for Business and Lync Spoofing Vulnerability

VendorProductVersionCPE
microsoftskype_for_business_server*cpe:2.3:a:microsoft:skype_for_business_server:*:*:*:*:*:cu11:*:*
microsoftlync_server*cpe:2.3:a:microsoft:lync_server:*:*:*:*:*:cu10:*:*

Vendor	Product	Version	CPE
microsoft	skype_for_business_server	*	cpe:2.3:a:microsoft:skype_for_business_server::::::cu11::*
microsoft	lync_server	*	cpe:2.3:a:microsoft:lync_server::::::cu10::*