Vulnerability Description
Microsoft Exchange Server Remote Code Execution Vulnerability
CVSS Score
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Exchange Server | 2016 |
References
- http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-CodExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerExploitThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4232PatchVendor Advisory
- http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-CodExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerExploitThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4232PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-US Government Resource
FAQ
What is CVE-2021-42321?
CVE-2021-42321 is a vulnerability with a CVSS score of 8.8 (HIGH). Microsoft Exchange Server Remote Code Execution Vulnerability
How severe is CVE-2021-42321?
CVE-2021-42321 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-42321?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Exchange Server.