CVE-2021-26857— Microsoft Exchange Server Remote Code Execution Vulnerability
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I. Basic Information for CVE-2021-26857
Vulnerability Information
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Vulnerability Title
Microsoft Exchange Server Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Microsoft Exchange Server Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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 代码问题漏洞
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 安全漏洞。攻击者可构造恶意请求，触发反序列化漏洞，从而执行任意代码。成功利用该漏洞需要Exchange 管理员权限，或需要配合其他漏洞使用。以下产品和版本受到影响：Microsoft Exchange Server 2013 Cumulative Update 23,Microsoft
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)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 19 | 15.01.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 8 | 15.02.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2019 | 15.02.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2019:*:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2013 Cumulative Update 22 | 15.00.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_22:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 2 | 15.02.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_2:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 13 | 15.01.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_13:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2013 Cumulative Update 23 | 15.00.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 3 | 15.02.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_3:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 14 | 15.01.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_14:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 4 | 15.02.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_4:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 15 | 15.01.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_15:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 5 | 15.02.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_5:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 6 | 15.02.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_6:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 16 | 15.01.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_16:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 17 | 15.01.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_17:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 7 | 15.02.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_7:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 18 | 15.01.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_18:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2010 Service Pack 3 | 14.0.0.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2010:sp3:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2013 Service Pack 1 | 15.00.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_1:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2013 Cumulative Update 21 | 15.00.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_21:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 12 | 15.01.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_12:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 8 | 15.01.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_8:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 1 | 15.02.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_1:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 9 | 15.01.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_9:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 10 | 15.01.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_10:*:*:*:*:*:* | |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 11 | 15.01.0 ~ publication | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_11:*:*:*:*:*:* |
II. Public POCs for CVE-2021-26857
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | proxylogon exploit - CVE-2021-26857 | https://github.com/sirpedrotavares/Proxylogon-exploit | POC Details |
AI-Generated POCPremium
No public POC found.
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Same Patch Batch · Microsoft · 2021-03-02 · 7 CVEs total
| CVE-2021-27078 | 9.1 CRITICAL | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2021-26855 | 9.1 CRITICAL | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2021-26412 | 9.1 CRITICAL | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2021-27065 | 7.8 HIGH | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2021-26858 | 7.8 HIGH | Microsoft Exchange Server Remote Code Execution Vulnerability |
| CVE-2021-26854 | 6.6 MEDIUM | Microsoft Exchange Server Remote Code Execution Vulnerability |
IV. Related Vulnerabilities
Same product: Microsoft Exchange Server 2016 Cumulative Update 19
Same vendor: Microsoft
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V. Comments for CVE-2021-26857
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