CVE-2022-41082

Known Exploited Public Exploit
Microsoft Exchange Server Remote Code Execution Vulnerability

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

Category

8.0
CVSS
Severity: High
CVSS 3.1 •
EPSS 92.19% Top 5%
KEV Since 
Vendor Advisory microsoft.com Vendor Advisory microsoft.com
Affected: Microsoft Microsoft Exchange Server 2013 Cumulative Update 23
Affected: Microsoft Microsoft Exchange Server 2016 Cumulative Update 22
Affected: Microsoft Microsoft Exchange Server 2019 Cumulative Update 11
Affected: Microsoft Microsoft Exchange Server 2019 Cumulative Update 12
Affected: Microsoft Microsoft Exchange Server 2016 Cumulative Update 23
Published at:
Updated at:

References

Link Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41082 vendor advisory
http://packetstormsecurity.com/files/170066/Microsoft-Exchange-ProxyNotShell-Remote-Code-Execution.html exploit third party advisory vdb entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41082 patch vendor advisory
https://www.kb.cert.org/vuls/id/915563 third party advisory us government resource
https://www.secpod.com/blog/microsoft-november-2022-patch-tuesday-patches-65-vulnerabilities-including-6-zero-days/ third party advisory
https://www.vicarius.io/vsociety/posts/cve-2022-41082-microsoft-exchange-server-remote-code-execution-vulnerability-detection-script third party advisory
https://www.vicarius.io/vsociety/posts/cve-2022-41082-microsoft-exchange-server-remote-code-execution-vulnerability-mitigation-script third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-41082?
CVE-2022-41082 has been scored as a high severity vulnerability.
How to fix CVE-2022-41082?
To fix CVE-2022-41082, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-41082 being actively exploited in the wild?
It is confirmed that CVE-2022-41082 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~92% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-41082?
CVE-2022-41082 affects Microsoft Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Microsoft Exchange Server 2016 Cumulative Update 22, Microsoft Microsoft Exchange Server 2019 Cumulative Update 11, Microsoft Microsoft Exchange Server 2019 Cumulative Update 12, Microsoft Microsoft Exchange Server 2016 Cumulative Update 23.
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