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CVE-2017-8759

7.8 · HIGHActively Exploited

Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to execute code remotely via a malicious document or application, aka ".NET Framework Remote Code Execut…

Published Sep 13, 2017CWE-94EPSS 88.70%

Overview

CVE-2017-8759 is a high-severity vulnerability. It was published on September 13, 2017 and has a CVSS 3.1 base score of 7.8 (HIGH). 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 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to execute code remotely via a malicious document or application, aka ".NET Framework Remote Code Execution Vulnerability."

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

Refwww.securityfocus.com/bid/100742Refwww.securitytracker.com/id/1039324GitHubgithub.com/GitHubAssessments/CVE_Assessments_01_2020GitHubgithub.com/bhdresh/CVE-2017-8759GitHubgithub.com/nccgroup/CVE-2017-8759Refportal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8759Refwww.exploit-db.com/exploits/42711/Refwww.securityfocus.com/bid/100742Refwww.securitytracker.com/id/1039324GitHubgithub.com/GitHubAssessments/CVE_Assessments_01_2020

How CyberStrike helps

Frequently asked questions

What is CVE-2017-8759?

CVE-2017-8759 is a high-severity vulnerability. It was published on September 13, 2017 and has a CVSS 3.1 base score of 7.8 (HIGH). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.

How severe is CVE-2017-8759?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-8759?

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-2017-8759?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-8759 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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