What’s Vulnerable › Vulnerabilities

CVE-2011-2578

• Severity: high (CVSS 7.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-05-02 · updated 2026-06-16
• Weakness: CWE-399

Description

Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets on a NAT interface, aka Bug ID CSCts12366.

Affected products

• Cisco IOS: 15.1, 15.2

References

• http://www.cisco.com/en/US/docs/ios/15_1/release/notes/151-4MCAVS.html
• http://www.securitytracker.com/id?1027005
• https://exchange.xforce.ibmcloud.com/vulnerabilities/75338
• http://www.cisco.com/en/US/docs/ios/15_1/release/notes/151-4MCAVS.html
• http://www.securitytracker.com/id?1027005
• https://exchange.xforce.ibmcloud.com/vulnerabilities/75338

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