What’s Vulnerable › Vulnerabilities

CVE-2012-0353

• Severity: high (CVSS 7.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-03-15 · updated 2026-06-16
• Weakness: CWE-20

Description

The UDP inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.0 before 8.0(5.25), 8.1 before 8.1(2.50), 8.2 before 8.2(5.5), 8.3 before 8.3(2.22), 8.4 before 8.4(2.1), and 8.5 before 8.5(1.2) does not properly handle flows, which allows remote attackers to cause a denial of service (device reload) via a crafted series of (1) IPv4 or (2) IPv6 UDP packets, aka Bug ID CSCtq10441.

Affected products

• Cisco 5500 Series Adaptive Security Appliance: all versions
• Cisco ASA Software: 8.0, 8.0(2), 8.0(3), 8.0(4), 8.0(5), 8.0.2 (+26)
• Cisco Catalyst 6500: all versions
• Cisco Catalyst 6503-E: all versions
• Cisco Catalyst 6504-E: all versions
• Cisco Catalyst 6506-E: all versions
• Cisco Catalyst 6509-E: all versions
• Cisco Catalyst 6509-Neb-A: all versions
• Cisco Catalyst 6509-V-E: all versions
• Cisco Catalyst 6513: all versions
• Cisco Catalyst 6513-E: all versions

References

• http://osvdb.org/80043
• http://secunia.com/advisories/48423
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120314-asa
• http://www.securityfocus.com/bid/52484
• http://www.securitytracker.com/id?1026800
• https://exchange.xforce.ibmcloud.com/vulnerabilities/74029
• http://osvdb.org/80043
• http://secunia.com/advisories/48423
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120314-asa
• http://www.securityfocus.com/bid/52484
• http://www.securitytracker.com/id?1026800
• https://exchange.xforce.ibmcloud.com/vulnerabilities/74029

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