HOMEVULNERABILITIESCVE-2008-2476
CRITICAL

CVE-2008-2476

CWE-20Published: October 3, 2008· Updated: Jun 16, 2026

9.3
CVSS v3.1

Official Description

The IPv6 Neighbor Discovery Protocol (NDP) implementation in (1) FreeBSD 6.3 through 7.1, (2) OpenBSD 4.2 and 4.3, (3) NetBSD, (4) Force10 FTOS before E7.7.1.1, (5) Juniper JUNOS, and (6) Wind River VxWorks 5.x through 6.4 does not validate the origin of Neighbor Discovery messages, which allows remote attackers to cause a denial of service (loss of connectivity) or read private network traffic via a spoofed message that modifies the Forward Information Base (FIB).

NVD Source

Technical Analysis

CVE-2008-2476 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected Vendors & Products

force101 product(s)
ftos
freebsd1 product(s)
freebsd
Juniper Networks1 product(s)
jnos
netbsd1 product(s)
netbsd
openbsd1 product(s)
openbsd
windriver1 product(s)
vxworks
Source: NVD CPE · 10 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://secunia.com/advisories/32112
ADVISORYhttp://secunia.com/advisories/32117
ADVISORYhttp://security.freebsd.org/advisories/FreeBSD-SA-08:10.nd6.asc
ADVISORYhttp://secunia.com/advisories/32112
ADVISORYhttp://secunia.com/advisories/32117
ADVISORYhttp://security.freebsd.org/advisories/FreeBSD-SA-08:10.nd6.asc

All References (48)

→
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-013.txt.asc
→
http://secunia.com/advisories/32112Vendor Advisory
→
http://secunia.com/advisories/32116
→
http://secunia.com/advisories/32117Vendor Advisory
→
http://secunia.com/advisories/32133
→
http://secunia.com/advisories/32406
→
http://security.freebsd.org/advisories/FreeBSD-SA-08:10.nd6.ascVendor Advisory
→
http://securitytracker.com/id?1020968
→
http://support.apple.com/kb/HT3467
→
http://www.kb.cert.org/vuls/id/472363US Government Resource
→
http://www.kb.cert.org/vuls/id/MAPG-7H2RY7US Government Resource
→
http://www.kb.cert.org/vuls/id/MAPG-7H2S68US Government Resource
→
http://www.openbsd.org/errata42.html#015_ndp
→
http://www.openbsd.org/errata43.html#006_ndp
→
http://www.securityfocus.com/bid/31529

Quick Facts

CVE IDCVE-2008-2476
CVSS Score9.3 / 10
SeverityCRITICAL
WeaknessCWE-20
CISA KEVNo
Affected6 vendor(s)
PublishedOct 3, 2008

Related CVEs (CWE-20)

CVE-2003-1425
10.0
CVE-2008-1331
10.0
CVE-2007-6494
10.0
CVE-2024-22476
10.0
CVE-2008-6826
10.0
CVE-2007-6176
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2008-2476 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.
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