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CVE-2022-33633— Skype for Business and Lync Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Microsoft Lync Server 2013 CU10
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。 Microsoft Skype for Business Server存在输入验证错误漏洞。以下产品和版本受到影响：Microsoft Lync Server 2013 CU10,Skype for Business Server 2015 CU12,Skype for Business Serve

CVSS 7.2 · High EPSS 2.27% · P82

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-33633

Vulnerability Information
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Vulnerability Title
Skype for Business and Lync Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Skype for Business and Lync Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Skype for Business Server输入验证错误漏洞
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。 Microsoft Skype for Business Server存在输入验证错误漏洞。以下产品和版本受到影响：Microsoft Lync Server 2013 CU10,Skype for Business Server 2015 CU12,Skype for Business Serve
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 Microsoft Lync Server 2013 CU10 8308.0 ~ 8308.1198 -
Microsoft Skype for Business Server 2015 CU12 9319.0 ~ 9319.634 -
Microsoft Skype for Business Server 2019 CU6 2046.0 ~ 2046.404 -

II. Public POCs for CVE-2022-33633

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III. Intelligence Information for CVE-2022-33633

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Vendor Advisories for CVE-2022-33633 (1)

Same Patch Batch · Microsoft · 2022-07-12 · 81 CVEs total

CVE-2022-30221 8.8 HIGH Windows Graphics Component Remote Code Execution Vulnerability
CVE-2022-22026 8.8 HIGH Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability
CVE-2022-30216 8.8 HIGH Windows Server Service Tampering Vulnerability
CVE-2022-30222 8.4 HIGH Windows Shell Remote Code Execution Vulnerability
CVE-2022-33674 8.3 HIGH Azure Site Recovery Elevation of Privilege Vulnerability
CVE-2022-22029 8.1 HIGH Windows Network File System Remote Code Execution Vulnerability
CVE-2022-22038 8.1 HIGH Remote Procedure Call Runtime Remote Code Execution Vulnerability
CVE-2022-22049 7.8 HIGH Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability
CVE-2022-22034 7.8 HIGH Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2022-22031 7.8 HIGH Windows Credential Guard Domain-joined Public Key Elevation of Privilege Vulnerability
CVE-2022-33675 7.8 HIGH Azure Site Recovery Elevation of Privilege Vulnerability
CVE-2022-22027 7.8 HIGH Windows Fax Service Remote Code Execution Vulnerability
CVE-2022-22024 7.8 HIGH Windows Fax Service Remote Code Execution Vulnerability
CVE-2022-22045 7.8 HIGH Windows.Devices.Picker.dll Elevation of Privilege Vulnerability
CVE-2022-22047 7.8 HIGH Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability
CVE-2022-22043 7.8 HIGH Windows Fast FAT File System Driver Elevation of Privilege Vulnerability
CVE-2022-22050 7.8 HIGH Windows Fax Service Elevation of Privilege Vulnerability
CVE-2022-30206 7.8 HIGH Windows Print Spooler Elevation of Privilege Vulnerability
CVE-2022-30220 7.8 HIGH Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2022-30211 7.5 HIGH Windows Layer 2 Tunneling Protocol (L2TP) Remote Code Execution Vulnerability

Showing top 20 of 81 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

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

V. Comments for CVE-2022-33633

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