CVE-2023-21710
HIGHCVSS 7.2/10EPSS 7.87%
Last modified
CVE-2023-21710 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. Microsoft Exchange Server Remote Code Execution Vulnerability. EPSS estimates a 7.87% chance of exploitation in the next 30 days.
Description
Microsoft Exchange Server Remote Code Execution Vulnerability
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Exchange Server | 2016 | Cumulative Update 23 |
| Microsoft | Exchange Server | 2019 | Cumulative Update 11 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21710Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21710Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-21710?
Microsoft Exchange Server Remote Code Execution Vulnerability
How severe is CVE-2023-21710?
CVE-2023-21710 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 7.87% probability of exploitation in the next 30 days.
How do I fix CVE-2023-21710?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-21710?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST