What’s Vulnerable › Vulnerabilities

CVE-2008-2476

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2008-10-03 · updated 2026-06-16
• Weakness: CWE-20

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).

Affected products

• Force10 Ftos: all versions
• FreeBSD: 6.3, 7.1
• Juniper Jnos: all versions
• Netbsd: all versions
• OpenBSD: 4.2, 4.3
• Windriver Vxworks: through 6.4; 5, 5.5

References

• http://secunia.com/advisories/32112
• http://secunia.com/advisories/32116
• http://secunia.com/advisories/32117
• http://secunia.com/advisories/32133
• http://secunia.com/advisories/32406
• http://security.freebsd.org/advisories/FreeBSD-SA-08:10.nd6.asc
• http://securitytracker.com/id?1020968
• http://support.apple.com/kb/HT3467
• http://www.kb.cert.org/vuls/id/472363
• http://www.kb.cert.org/vuls/id/MAPG-7H2RY7
• http://www.kb.cert.org/vuls/id/MAPG-7H2S68

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