CVE-2021-33768
HIGHCVSS 8/10EPSS 1.16%
Last modified
CVE-2021-33768 is a high-severity vulnerability rated 8/10 on the CVSS scale. Microsoft Exchange Server Elevation of Privilege Vulnerability. EPSS estimates a 1.16% chance of exploitation in the next 30 days.
Description
Microsoft Exchange Server Elevation of Privilege Vulnerability
Metrics
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Exchange Server | 2016 | Cumulative Update 20 |
| Microsoft | Exchange Server | 2019 | Cumulative Update 10 |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33768Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33768Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33768?
Microsoft Exchange Server Elevation of Privilege Vulnerability
How severe is CVE-2021-33768?
CVE-2021-33768 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33768?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-33768?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST