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CVE-2017-7884

8.4 · HIGH

In Adam Kropelin adk0212 APC UPS Daemon through 3.14.14, the default installation of APCUPSD allows a local authenticated, but unprivileged, user to run arbitrary code with elevated privileges by r…

Published Jun 16, 2017CWE-427EPSS 0.44%

Overview

CVE-2017-7884 is a high-severity vulnerability. It was published on June 16, 2017 and has a CVSS 3.0 base score of 8.4 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.4, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

In Adam Kropelin adk0212 APC UPS Daemon through 3.14.14, the default installation of APCUPSD allows a local authenticated, but unprivileged, user to run arbitrary code with elevated privileges by replacing the service executable apcupsd.exe with a malicious executable that will run with SYSTEM privileges at startup. This occurs because of "RW NT AUTHORITY\Authenticated Users" permissions for %SYSTEMDRIVE%\apcupsd\bin\apcupsd.exe.

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

Refseclists.org/fulldisclosure/2017/Jun/20Refwww.securityfocus.com/bid/99092Refwww.securitytracker.com/id/1038707Refseclists.org/fulldisclosure/2017/Jun/20Refwww.securityfocus.com/bid/99092Refwww.securitytracker.com/id/1038707

How CyberStrike helps

Frequently asked questions

What is CVE-2017-7884?

CVE-2017-7884 is a high-severity vulnerability. It was published on June 16, 2017 and has a CVSS 3.0 base score of 8.4 (HIGH).

How severe is CVE-2017-7884?

This vulnerability has a CVSS 3.0 base score of 8.4, 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-2017-7884?

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-2017-7884?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-7884 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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