Vulnerability Description
Microsoft Exchange Server Remote Code Execution Vulnerability
CVSS Score
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Exchange Server | 2013 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-RemoteExploitThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3447PatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-821/Third Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-RemoteExploitThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3447PatchVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-821/Third Party AdvisoryVDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-US Government Resource
FAQ
What is CVE-2021-34473?
CVE-2021-34473 is a vulnerability with a CVSS score of 9.1 (CRITICAL). Microsoft Exchange Server Remote Code Execution Vulnerability
How severe is CVE-2021-34473?
CVE-2021-34473 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-34473?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Exchange Server.