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CVE-2019-0703

MEDIUMCVSS 6.5/10Actively ExploitedEPSS 9.64%

Last modified

CVE-2019-0703 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An information disclosure vulnerability exists in the way that the Windows SMB Server handles certain requests, aka 'Windows SMB Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0704, CVE-2019-0821.. CISA has confirmed active exploitation in the wild. EPSS estimates a 9.64% chance of exploitation in the next 30 days.

Description

An information disclosure vulnerability exists in the way that the Windows SMB Server handles certain requests, aka 'Windows SMB Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0704, CVE-2019-0821.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
9.64%

94.9th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .

Affected Software

VendorProductVersionsUpdate
MicrosoftWindows 10 1507All versions—
MicrosoftWindows 10 1607All versions—
MicrosoftWindows 10 1703All versions—
MicrosoftWindows 10 1709All versions—
MicrosoftWindows 10 1803All versions—
MicrosoftWindows 10 1809All versions—
MicrosoftWindows 7All versionsSp1
MicrosoftWindows 8.1All versions—
MicrosoftWindows Rt 8.1All versions—
MicrosoftWindows Server 1709All versions—
MicrosoftWindows Server 1803All versions—
MicrosoftWindows Server 2008All versionsSp2
MicrosoftWindows Server 2008r2Sp1
MicrosoftWindows Server 2012All versions—
MicrosoftWindows Server 2012r2—
MicrosoftWindows Server 2016All versions—
MicrosoftWindows Server 2019All versions—

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2019-0703?
An information disclosure vulnerability exists in the way that the Windows SMB Server handles certain requests, aka 'Windows SMB Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-0704, CVE-2019-0821.
How severe is CVE-2019-0703?
CVE-2019-0703 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 9.64% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2019-0703?
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-2019-0703?

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

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Source: NVD / NIST