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
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
18.16%

96.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MicrosoftExchange Server2013Cumulative Update 23
MicrosoftExchange Server2016Cumulative Update 13
MicrosoftExchange Server2019Cumulative Update 2

References

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.

Are you affected by CVE-2019-1373?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST