CVE-2019-15718
4.4 · MEDIUMOverview
CVE-2019-15718 is a medium-severity vulnerability affecting systemd_project systemd. It was published on September 4, 2019 and has a CVSS 3.1 base score of 4.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
In systemd 240, bus_open_system_watch_bind_with_description in shared/bus-util.c (as used by systemd-resolved to connect to the system D-Bus instance), calls sd_bus_set_trusted, which disables access controls for incoming D-Bus messages. An unprivileged user can exploit this by executing D-Bus methods that should be restricted to privileged users, in order to change the system's DNS resolver settings.
Remediation
Check the references section for vendor advisories and patches from systemd_project. Update systemd to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
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References
Frequently Asked Questions
What is CVE-2019-15718?
CVE-2019-15718 is a medium-severity vulnerability affecting systemd_project systemd. It was published on September 4, 2019 and has a CVSS 3.1 base score of 4.4 (MEDIUM).
How severe is CVE-2019-15718?
This vulnerability has a CVSS 3.1 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2019-15718?
Check the references section for vendor advisories and patches from systemd_project. Update systemd to the latest patched version. 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-2019-15718?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-15718 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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