What’s Vulnerable › Vulnerabilities

CVE-2013-1226

• Severity: medium (CVSS 6.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-04-29 · updated 2026-06-16
• Weakness: CWE-119

Description

The Ethernet frame-forwarding implementation in Cisco NX-OS on Nexus 7000 devices allows remote attackers to cause a denial of service (forwarding loop and service outage) via a crafted frame, aka Bug ID CSCug47098.

Affected products

• Cisco Nexus 7000: all versions
• Cisco Nexus 7000 10-Slot: all versions
• Cisco Nexus 7000 18-Slot: all versions
• Cisco Nexus 7000 9-Slot: all versions
• Cisco NX-OS: all versions

References

• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1226
• http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1226

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