CVE-2012-5363

Name: CVE-2012-5363
Creator: NVD / NIST
Published: 2020-02-20T15:15:11.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.50%

Last modified Jun 16, 2026

CVE-2012-5363 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The IPv6 implementation in FreeBSD and NetBSD (unknown versions, year 2012 and earlier) allows remote attackers to cause a denial of service via a flood of ICMPv6 Neighbor Solicitation messages, a different vulnerability than CVE-2011-2393.. EPSS estimates a 2.50% chance of exploitation in the next 30 days.

Description

The IPv6 implementation in FreeBSD and NetBSD (unknown versions, year 2012 and earlier) allows remote attackers to cause a denial of service via a flood of ICMPv6 Neighbor Solicitation messages, a different vulnerability than CVE-2011-2393.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.50%

82.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-400

Affected Software

Vendor	Product	Versions
Freebsd	Freebsd	< 9.2
Netbsd	Netbsd	< 6.0.2

References

http://www.openwall.com/lists/oss-security/2012/10/10/12Mailing List, Third Party Advisory
https://www.securityfocus.com/bid/56170/infoThird Party Advisory, VDB Entry
http://www.openwall.com/lists/oss-security/2012/10/10/12Mailing List, Third Party Advisory
https://www.securityfocus.com/bid/56170/infoThird Party Advisory, VDB Entry

Timeline

Published: Feb 20, 2020
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-5363?

How severe is CVE-2012-5363?

CVE-2012-5363 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.50% probability of exploitation in the next 30 days.

How do I fix CVE-2012-5363?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-5363?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST