What’s Vulnerable › Vulnerabilities

CVE-2011-0944

• Severity: high (CVSS 7.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2011-10-03 · updated 2026-06-16
• Weakness: CWE-399

Description

Cisco IOS 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets, aka Bug ID CSCtj41194.

Affected products

• Cisco IOS: 12.4, 15.0, 15.1

References

• http://tools.cisco.com/security/center/viewAlert.x?alertId=24131
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d59.shtml
• http://tools.cisco.com/security/center/viewAlert.x?alertId=24131
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d59.shtml

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