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CVE-2019-0703

6.5 · MEDIUMActively Exploited

An information disclosure vulnerability exists in the way that the Windows SMB Server handles certain requests, aka 'Windows SMB Information Disclosure Vulnerability'.

Published Apr 9, 2019EPSS 9.64%

Overview

CVE-2019-0703 is a medium-severity vulnerability. It was published on April 9, 2019 and has a CVSS 3.1 base score of 6.5 (MEDIUM). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0703Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0703CISAwww.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0703

How CyberStrike helps

Frequently asked questions

What is CVE-2019-0703?

CVE-2019-0703 is a medium-severity vulnerability. It was published on April 9, 2019 and has a CVSS 3.1 base score of 6.5 (MEDIUM). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2019-0703?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-0703?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-0703?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-0703 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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