Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-26421

Skype for Business and Lync Spoofing Vulnerability

Published

2021-05-11T19:15:08.870

Last Modified

2024-11-21T05:56:21.010

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

4.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	microsoft	lync_server	2013	Yes
Application	microsoft	skype_for_business_server	2015	Yes

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26421 Patch, Vendor Advisory ([email protected])
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26421 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)