CVE-2019-1373
CRITICALCVSS 9.8/10EPSS 18.16%
Last modified
CVE-2019-1373 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell, aka 'Microsoft Exchange Remote Code Execution Vulnerability'.. EPSS estimates a 18.16% chance of exploitation in the next 30 days.
Description
A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell, aka 'Microsoft Exchange Remote Code Execution Vulnerability'.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Exchange Server | 2013 | Cumulative Update 23 |
| Microsoft | Exchange Server | 2016 | Cumulative Update 13 |
| Microsoft | Exchange Server | 2019 | Cumulative Update 2 |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1373Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1373Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-1373?
A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell, aka 'Microsoft Exchange Remote Code Execution Vulnerability'.
How severe is CVE-2019-1373?
CVE-2019-1373 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 18.16% probability of exploitation in the next 30 days.
How do I fix CVE-2019-1373?
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-2019-1373?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST