CVE-2011-2393 - CVE House
Back to Database
Status published High CVE-2011-2393

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack...

Vulnerability Description

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and possibly other BSD-based operating systems allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, a similar vulnerability to CVE-2010-4670.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2011-2393

Credits & Attribution

No credits recorded in the NVD database.

References

More from freebsd

View All →
CVE-2022-32264
sys/netinet/tcp_timer.h in FreeBSD before 7.0 contains a denial-of-service (DoS) vulnerability...
Unknown 0
CVE-2021-36159
libfetch before 2021-07-26, as used in apk-tools, xbps, and other...
Critical 9.1
CVE-2020-24718
bhyve, as used in FreeBSD through 12.1 and illumos (e.g.,...
High 8.2
CVE-2020-10566
grub2-bhyve, as used in FreeBSD bhyve before revision 525916 2020-02-12,...
High 7.8
CVE-2020-10565
grub2-bhyve, as used in FreeBSD bhyve before revision 525916 2020-02-12,...
High 7.8

Affected Vendor

Affected Software

freebsd, netbsd
Vulnerable Versions:
Unknown

Timeline

Official Publish: February 2nd, 2012
Last Modified: September 16th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.