CVE-2024-6640 describes a vulnerability in ICMPv6 Neighbor Discovery where a crafted Echo Request can bypass pf firewall rules. This occurs when pf is configured to allow ND but block Echo Requests, and a specific Echo Request with a zero identifier follows a Neighbor Solicitation from the same host. The vulnerability has a CVSS score of 6.3 (Medium), indicating it can be exploited remotely with low complexity, potentially leading to low confidentiality, integrity, and availability impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| FreeBSD | FreeBSD | >= 14.1-RELEASE, < p3, >= 13.3-RELEASE, < p5, >= 14.0-RELEASE, < p9CNA affecteddefault unknown |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.