What’s Vulnerable › Vulnerabilities

CVE-2002-2316

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2002-12-31 · updated 2026-06-16

Description

Cisco Catalyst 4000 series switches running CatOS 5.5.5, 6.3.5, and 7.1.2 do not always learn MAC addresses from a single initial packet, which causes unicast traffic to be broadcast across the switch and allows remote attackers to obtain sensitive network information by sniffing.

Affected products

• Cisco Catos: 5.5(5), 6.3(5), 7.1(2)

References

• http://archives.neohapsis.com/archives/bugtraq/2002-05/0190.html
• http://archives.neohapsis.com/archives/bugtraq/2002-06/0209.html
• http://www.iss.net/security_center/static/9148.php
• http://www.securityfocus.com/bid/4790
• http://archives.neohapsis.com/archives/bugtraq/2002-05/0190.html
• http://archives.neohapsis.com/archives/bugtraq/2002-06/0209.html
• http://www.iss.net/security_center/static/9148.php
• http://www.securityfocus.com/bid/4790

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