CVE-2021-34470— Microsoft Exchange Server Elevation of Privilege Vulnerability
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I. Basic Information for CVE-2021-34470
Vulnerability Information
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Vulnerability Title
Microsoft Exchange Server Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Microsoft Exchange Server Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/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 Exchange Server 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Exchange Server是美国微软（Microsoft）公司的一套电子邮件服务程序。它提供邮件存取、储存、转发，语音邮件，邮件过滤筛选等功能。 Microsoft Exchange Server存在权限许可和访问控制问题漏洞。以下产品和版本受到影响：Microsoft Exchange Server 2013 Cumulative Update 23,Microsoft Exchange Server 2019 Cumulative Update 10,Microsoft Exc
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 Exchange Server 2013 Cumulative Update 23 | 15.00.0 ~ 15.00.1497.023 | cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 10 | 15.02.0 ~ 15.02.0922.007 | cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 21 | 15.01.0 ~ 15.01.2308.008 | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:* |
II. Public POCs for CVE-2021-34470
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | A Powrshell script to scan for CVE-2021-34470 | https://github.com/technion/CVE-2021-34470scanner | POC Details |
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- Packet Stormx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-34470
Same Patch Batch · Microsoft · 2021-07-14 · 90 CVEs total
| CVE-2021-34473 | 9.1 CRITICAL | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2021-34523 | 9.0 CRITICAL | Microsoft Exchange Server Elevation of Privilege Vulnerability |
| CVE-2021-33750 | 8.8 HIGH | Windows DNS Snap-in Remote Code Execution Vulnerability |
| CVE-2021-34508 | 8.8 HIGH | Windows Kernel Remote Code Execution Vulnerability |
| CVE-2021-33780 | 8.8 HIGH | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2021-33756 | 8.8 HIGH | Windows DNS Snap-in Remote Code Execution Vulnerability |
| CVE-2021-34494 | 8.8 HIGH | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2021-33752 | 8.8 HIGH | Windows DNS Snap-in Remote Code Execution Vulnerability |
| CVE-2021-33749 | 8.8 HIGH | Windows DNS Snap-in Remote Code Execution Vulnerability |
| CVE-2021-34525 | 8.8 HIGH | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2021-34469 | 8.2 HIGH | Microsoft Office Security Feature Bypass Vulnerability |
| CVE-2021-33767 | 8.2 HIGH | Open Enclave SDK Elevation of Privilege Vulnerability |
| CVE-2021-33781 | 8.1 HIGH | Azure AD Security Feature Bypass Vulnerability |
| CVE-2021-34492 | 8.1 HIGH | Windows Certificate Spoofing Vulnerability |
| CVE-2021-34520 | 8.1 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2021-33786 | 8.1 HIGH | Windows LSA Security Feature Bypass Vulnerability |
| CVE-2021-33779 | 8.1 HIGH | Windows AD FS Security Feature Bypass Vulnerability |
| CVE-2021-34474 | 8.0 HIGH | Dynamics Business Central Remote Code Execution Vulnerability |
| CVE-2021-33754 | 8.0 HIGH | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2021-33746 | 8.0 HIGH | Windows DNS Server Remote Code Execution Vulnerability |
Showing top 20 of 90 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Microsoft Exchange Server 2013 Cumulative Update 23
- CVE-2022-41078
Microsoft Exchange Server Spoofing Vulnerability - CVE-2022-41040
Microsoft Exchange Server Elevation of Privilege Vulnerabili - CVE-2022-41082
Microsoft Exchange Server Remote Code Execution Vulnerabilit - CVE-2022-24477
Microsoft Exchange Server Elevation of Privilege Vulnerabili - CVE-2022-21980
Microsoft Exchange Server Elevation of Privilege Vulnerabili
Same vendor: Microsoft
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Azure DevOps Information Disclosure Vulnerability - CVE-2026-35428
Azure Cloud Shell Spoofing Vulnerability - CVE-2026-35435
Azure AI Foundry Elevation of Privilege Vulnerability - CVE-2026-34327
Microsoft Partner Center Spoofing Vulnerability - CVE-2026-33844
Azure Managed Instance for Apache Cassandra Remote Code Exec
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