Description
Microsoft Exchange Server Elevation of Privilege Vulnerability
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft Exchange Server 2013 Cumulative Update 23 | 15.00.0 – < 15.00.1497.015 | 15.00.1497.015 |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 19 | 15.01.0 – < 15.01.2176.012 | 15.01.2176.012 |
| Microsoft | Microsoft Exchange Server 2016 Cumulative Update 20 | 15.01.0 – < 15.01.2242.008 | 15.01.2242.008 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 8 | 15.02.0 – < 15.02.0792.013 | 15.02.0792.013 |
| Microsoft | Microsoft Exchange Server 2019 Cumulative Update 9 | 15.02.0 – < 15.02.0858.010 | 15.02.0858.010 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
-
Microsoft Exchange ProxyShell RCE
exploit/windows/http/exchange_proxyshell_rce
GitHub 2 repositories
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mithridates1313/ProxyShell_POC ★ 16 · Oct 2, 2021
POC for scanning ProxyShell(CVE-2021-34523,CVE-2021-34473,CVE-2021-31207)
-
SUPRAAA-1337/CVE-2021-34523 ★ 2 · Sep 2, 2023
test-yaml
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- WID-SEC-2024-1897 Microsoft Exchange Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 21, 2024
- MSRC-CVE-2021-34523 Microsoft Exchange Server Elevation of Privilege Vulnerability Microsoft Security Response Center · Jul 13, 2021
References
- Microsoft Exchange Server Elevation of Privilege Vulnerability vendor-advisory patch