CVE-2021-26421— Skype for Business and Lync Spoofing Vulnerability
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I. Basic Information for CVE-2021-26421
Vulnerability Information
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Vulnerability Title
Skype for Business and Lync Spoofing Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Skype for Business and Lync Spoofing Vulnerability
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Skype for Business Server 安全漏洞
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存在安全漏洞。以下产品和版本受到影响：Microsoft Lync Server 2013 CU10,Skype for Business Server 2015 CU11,
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Skype for Business Server 2015 CU11 | 2015 CU11 ~ 2046.369 | cpe:2.3:a:microsoft:skype_for_business_server:2015:cumulative_update_11:*:*:*:*:*:* | |
| Microsoft | Microsoft Lync Server 2013 CU10 | 8308.0 ~ 8308.1144 | cpe:2.3:a:microsoft:lync_server:2013:cumulative_update_10:*:*:*:*:*:* |
II. Public POCs for CVE-2021-26421
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|---|
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Vendor Advisories for CVE-2021-26421 (1)
Same Patch Batch · Microsoft · 2021-05-11 · 52 CVEs total
| CVE-2021-28476 | 9.9 CRITICAL | Windows Hyper-V Remote Code Execution Vulnerability |
| CVE-2021-31166 | 9.8 CRITICAL | HTTP Protocol Stack Remote Code Execution Vulnerability |
| CVE-2021-28455 | 8.8 HIGH | Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vul |
| CVE-2021-27068 | 8.8 HIGH | Visual Studio Remote Code Execution Vulnerability |
| CVE-2021-31194 | 8.8 HIGH | OLE Automation Remote Code Execution Vulnerability |
| CVE-2021-31181 | 8.8 HIGH | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2021-28474 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2021-31214 | 7.8 HIGH | Visual Studio Code Remote Code Execution Vulnerability |
| CVE-2021-31180 | 7.8 HIGH | Microsoft Office Graphics Remote Code Execution Vulnerability |
| CVE-2021-28465 | 7.8 HIGH | Web Media Extensions Remote Code Execution Vulnerability |
| CVE-2021-31179 | 7.8 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2021-31169 | 7.8 HIGH | Windows Container Manager Service Elevation of Privilege Vulnerability |
| CVE-2021-31177 | 7.8 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2021-31170 | 7.8 HIGH | Windows Graphics Component Elevation of Privilege Vulnerability |
| CVE-2021-31175 | 7.8 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2021-31187 | 7.8 HIGH | Windows WalletService Elevation of Privilege Vulnerability |
| CVE-2021-31190 | 7.8 HIGH | Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability |
| CVE-2021-31208 | 7.8 HIGH | Windows Container Manager Service Elevation of Privilege Vulnerability |
| CVE-2021-31198 | 7.8 HIGH | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2021-31165 | 7.8 HIGH | Windows Container Manager Service Elevation of Privilege Vulnerability |
Showing top 20 of 52 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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V. Comments for CVE-2021-26421
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