CVE-2022-41082: Microsoft Exchange Server Remote Code Execution Vulnerability
First published: Fri Sep 30 2022(Updated: )
Microsoft Exchange Server contains an unspecified vulnerability that allows for authenticated remote code execution. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41040 which allows for the remote code execution.
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Exchange Server | =2013-cumulative_update_23 | |
| Microsoft Exchange Server | =2016-cumulative_update_22 | |
| Microsoft Exchange Server | =2016-cumulative_update_23 | |
| Microsoft Exchange Server | =2019-cumulative_update_11 | |
| Microsoft Exchange Server | =2019-cumulative_update_12 |
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Reference Links
- https://msrc-blog.microsoft.com/2022/09/29/customer-guidance-for-reported-zero-day-vulnerabilities-in-microsoft-exchange-server/
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41082
- https://www.kb.cert.org/vuls/id/915563
- http://packetstormsecurity.com/files/170066/Microsoft-Exchange-ProxyNotShell-Remote-Code-Execution.html
- https://www.secpod.com/blog/microsoft-november-2022-patch-tuesday-patches-65-vulnerabilities-including-6-zero-days/
Frequently Asked Questions
What is CVE-2022-41082?
CVE-2022-41082 is a remote code execution vulnerability in Microsoft Exchange Server.
What is the severity of CVE-2022-41082?
The severity of CVE-2022-41082 is critical.
How does CVE-2022-41082 work?
CVE-2022-41082 allows authenticated attackers to execute arbitrary code on a vulnerable Microsoft Exchange Server.
Is CVE-2022-41082 chainable with another vulnerability?
Yes, CVE-2022-41082 is chainable with CVE-2022-41040, which also allows for remote code execution.
How can I fix CVE-2022-41082?
To fix CVE-2022-41082, apply the latest security updates provided by Microsoft.
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- version/microsoft exchange server/2013-cumulative_update_23
- version/microsoft exchange server/2016-cumulative_update_22
- version/microsoft exchange server/2016-cumulative_update_23
- version/microsoft exchange server/2019-cumulative_update_11
- version/microsoft exchange server/2019-cumulative_update_12