What’s Vulnerable › Vulnerabilities

CVE-2011-3275

• 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

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted SIP message, aka Bug ID CSCti48504.

Affected products

• Cisco IOS: 12.4, 15.0, 15.1
• Cisco IOS XE: 2.5.0, 2.5.1, 2.5.2, 2.6.0, 2.6.1, 2.6.2 (+8)

References

• http://tools.cisco.com/security/center/viewAlert.x?alertId=24130
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d5a.shtml
• http://tools.cisco.com/security/center/viewAlert.x?alertId=24130
• http://www.cisco.com/en/US/products/products_security_advisory09186a0080b95d5a.shtml

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