What’s Vulnerable › Vulnerabilities

CVE-2005-4258

• Severity: high (CVSS 7.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2005-12-15 · updated 2026-06-16

Description

Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LanD). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID.

Affected products

• Cisco Catalyst: 4.5_(10), sup2plus, sup3
• Cisco Catalyst 1200 Series: all versions
• Cisco Catalyst 1900 Series: 9.0_0.07
• Cisco Catalyst 2800 Series: all versions
• Cisco Catalyst 2820: 9.0_0.07
• Cisco Catalyst 2900: lre_xl, xl
• Cisco Catalyst 2901: all versions
• Cisco Catalyst 2902: all versions
• Cisco Catalyst 2920: all versions
• Cisco Catalyst 2926: all versions
• Cisco Catalyst 2926F: all versions
• Cisco Catalyst 2926Gl: all versions
• Cisco Catalyst 2926Gs: all versions
• Cisco Catalyst 2926T: all versions
• Cisco Catalyst 2940: all versions
• Cisco Catalyst 2948: all versions
• Cisco Catalyst 2948-Ge-Tx: all versions
• Cisco Catalyst 2948G-L3: all versions
• Cisco Catalyst 2950: all versions
• Cisco Catalyst 2950 Lre: all versions
• Cisco Catalyst 2955: all versions
• Cisco Catalyst 2970: all versions
• Cisco Catalyst 2980G: all versions
• Cisco Catalyst 2980G-A: all versions
• Cisco Catalyst 3000: all versions
• Cisco Catalyst 3200: all versions
• Cisco Catalyst 3500 Xl: all versions
• Cisco Catalyst 3550: all versions
• Cisco Catalyst 3560: all versions
• Cisco Catalyst 3750: all versions

References

• http://www.securityfocus.com/bid/15864
• https://exchange.xforce.ibmcloud.com/vulnerabilities/44543
• http://www.securityfocus.com/bid/15864
• https://exchange.xforce.ibmcloud.com/vulnerabilities/44543

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