CVEvulnerability
CVE-2022-41040
CISA Known Exploited Vulnerability
Microsoft Exchange Server Server-Side Request Forgery Vulnerability — Microsoft Exchange Server
Microsoft Exchange Server allows for server-side request forgery. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41082 which allows for remote code execution.
- Added to KEV
- 2022-09-30
- Remediation due
- 2022-10-21
- Ransomware use
- Known
- Required action
- Apply updates per vendor instructions.
- Notes
- https://msrc-blog.microsoft.com/2022/09/29/customer-guidance-for-reported-zero-day-vulnerabilities-in-microsoft-exchange-server/; https://nvd.nist.gov/vuln/detail/CVE-2022-41040
- Status
- Analyzed
- Published
- 2022-10-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-918
Description
Microsoft Exchange Server Elevation of Privilege Vulnerability
Affected configurations
• microsoft exchange server 2013
• microsoft exchange server 2016
• microsoft exchange server 2019
Related
Weakness · CWE (1)
- CWE-918 Server-Side Request Forgery weakness
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41040 Patch, 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-2022-41040 Mitigation, 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.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41040 US Government Resource