HOMEVULNERABILITIESCVE-2012-5365
HIGH

CVE-2012-5365

CWE-400Published: February 20, 2020· Updated: Jun 16, 2026

7.5
CVSS v3.1

Official 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 Router Advertisement packets containing multiple Routing entries.

NVD Source

Technical Analysis

CVE-2012-5365 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

freebsd1 product(s)
freebsd
netbsd1 product(s)
netbsd
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (4)

https://www.securityfocus.com/bid/56170/infoThird Party Advisory · VDB Entry
https://www.securityfocus.com/bid/56170/infoThird Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2012-5365
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-400
CISA KEVNo
Affected2 vendor(s)
PublishedFeb 20, 2020

Related CVEs (CWE-400)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2012-5365 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.