What’s Vulnerable › Vulnerabilities

CVE-2002-0666

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2002-11-04 · updated 2026-06-16

Description

IPSEC implementations including (1) FreeS/WAN and (2) KAME do not properly calculate the length of authentication data, which allows remote attackers to cause a denial of service (kernel panic) via spoofed, short Encapsulating Security Payload (ESP) packets, which result in integer signedness errors.

Affected products

• macOS: 10.2
• Apple Mac Os X Server: 10.2
• FreeBSD: 4.6, 4.6-release, 4.6-stable
• Frees Wan: 1.9, 1.9.1, 1.9.2, 1.9.3, 1.9.4, 1.9.5 (+1)
• Global Technology Associates Gnat Box Firmware: 3.1, 3.2, 3.3
• NEC Bluefire Ix1035 Router: all versions
• NEC Ix1010: all versions
• NEC Ix1011: all versions
• NEC Ix1020: all versions
• NEC Ix1050: all versions
• NEC Ix2010: all versions
• Netbsd: 1.5, 1.5.1, 1.5.2, 1.5.3, 1.6-beta

References

• http://razor.bindview.com/publish/advisories/adv_ipsec.html
• http://www.debian.org/security/2002/dsa-201
• http://www.iss.net/security_center/static/10411.php
• http://www.kb.cert.org/vuls/id/459371
• http://www.securityfocus.com/bid/6011
• http://razor.bindview.com/publish/advisories/adv_ipsec.html
• http://www.debian.org/security/2002/dsa-201
• http://www.iss.net/security_center/static/10411.php
• http://www.kb.cert.org/vuls/id/459371
• http://www.securityfocus.com/bid/6011

Get alerted when CVE-2002-0666 or the next vulnerability affects your stack