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CVE-2021-26422— Skype for Business and Lync Remote Code Execution Vulnerability

CVSS 7.2 · High EPSS 4.37% · P89
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I. Basic Information for CVE-2021-26422

Vulnerability Information
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Vulnerability Title
Skype for Business and Lync Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Skype for Business and Lync Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Skype for Business Server 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Skype for Business Server是美国微软（Microsoft）公司的一套安全统一的通信平台，它提供即时消息 (IM)、音频和视频通话、联机会议、联机状态信息和共享功能。 Skype for Business and Microsoft Lync存在命令注入漏洞。以下产品和版本受到影响：Microsoft Lync Server 2013 CU10,Skype for Business Server 2019 CU5,Skype for Business Server
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MicrosoftMicrosoft Lync Server 2013 CU10 8308.0 ~ 8308.1144 cpe:2.3:a:microsoft:lync_server:2013:cumulative_update_10:*:*:*:*:*:*
MicrosoftSkype for Business Server 2019 CU5 1.0 ~ 2046.369 cpe:2.3:a:microsoft:skype_for_business_server:2019:cumulative_update_5:*:*:*:*:*:*
MicrosoftSkype for Business Server 2015 CU11 2015 CU11 ~ 9319.606 cpe:2.3:a:microsoft:skype_for_business_server:2015:cumulative_update_11:*:*:*:*:*:*

II. Public POCs for CVE-2021-26422

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III. Intelligence Information for CVE-2021-26422

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Vendor Advisories for CVE-2021-26422 (1)

Same Patch Batch · Microsoft · 2021-05-11 · 52 CVEs total

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CVE-2021-311907.8 HIGHWindows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability
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CVE-2021-311657.8 HIGHWindows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-311697.8 HIGHWindows Container Manager Service Elevation of Privilege Vulnerability

Showing top 20 of 52 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Microsoft Lync Server 2013 CU10
Same vendor: Microsoft

V. Comments for CVE-2021-26422

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