CVE-2020-7463
5.5 · MEDIUMOverview
CVE-2020-7463 is a medium-severity vulnerability affecting freebsd freebsd. It was published on March 26, 2021 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.
Remediation
Check the references section for vendor advisories and patches from freebsd. Update freebsd 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 |
|---|---|---|---|
| apple | icloud | >= 0, < 12.3 | Affected |
| apple | itunes | >= 0, < 12.11.3 | Affected |
| apple | safari | >= 0, < 14.1 | Affected |
| apple | ipados | >= 0, < 14.5 | Affected |
| apple | iphone_os | >= 0, < 14.5 | Affected |
| apple | macos | >= 11.0, < 11.3 | Affected |
| apple | tvos | >= 0, < 14.5 | Affected |
| apple | watchos | >= 0, < 7.4 | Affected |
References
Frequently Asked Questions
What is CVE-2020-7463?
CVE-2020-7463 is a medium-severity vulnerability affecting freebsd freebsd. It was published on March 26, 2021 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2020-7463?
This vulnerability has a CVSS 3.1 base score of 5.5, 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-2020-7463?
Check the references section for vendor advisories and patches from freebsd. Update freebsd 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-2020-7463?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-7463 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.
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