CVE-2020-17049
6.6 · MEDIUMOverview
CVE-2020-17049 is a medium-severity vulnerability affecting microsoft windows_server_2012. It was published on November 11, 2020 and has a CVSS 3.1 base score of 6.6 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.6, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A security feature bypass vulnerability exists in the way Key Distribution Center (KDC) determines if a service ticket can be used for delegation via Kerberos Constrained Delegation (KCD).
To exploit the vulnerability, a compromised service that is configured to use KCD could tamper with a service ticket that is not valid for delegation to force the KDC to accept it.
The update addresses this vulnerability by changing how the KDC validates service tickets used with KCD.
Remediation
Check the references section for vendor advisories and patches from microsoft. Update windows_server_2012 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 |
|---|---|---|---|
| samba | samba | >= 4.1.0, < 4.13.13 | Affected |
References
Frequently Asked Questions
What is CVE-2020-17049?
CVE-2020-17049 is a medium-severity vulnerability affecting microsoft windows_server_2012. It was published on November 11, 2020 and has a CVSS 3.1 base score of 6.6 (MEDIUM).
How severe is CVE-2020-17049?
This vulnerability has a CVSS 3.1 base score of 6.6, 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-2020-17049?
Check the references section for vendor advisories and patches from microsoft. Update windows_server_2012 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-2020-17049?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-17049 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.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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