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CVE-2011-0393

7.8 · HIGH

Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 7.0 before 7.0(8.12), 7.1 and 7.2 before 7.2(5.2), 8.0 before 8.0(5.21), 8.1 before 8.1(2.49), 8.2 before 8.2(3.6), and 8.…

Published Feb 25, 2011ciscoCWE-399EPSS 2.60%

Overview

CVE-2011-0393 is a high-severity vulnerability affecting cisco adaptive_security_appliance_software. It was published on February 25, 2011 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 7.0 before 7.0(8.12), 7.1 and 7.2 before 7.2(5.2), 8.0 before 8.0(5.21), 8.1 before 8.1(2.49), 8.2 before 8.2(3.6), and 8.3 before 8.3(2.7) and Cisco PIX Security Appliances 500 series devices, when transparent firewall mode is configured but IPv6 is not configured, allow remote attackers to cause a denial of service (packet buffer exhaustion and device outage) via IPv6 traffic, aka Bug ID CSCtj04707.

Remediation

Check the references section for vendor advisories and patches from cisco. Update adaptive_security_appliance_software to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
ciscoadaptive_security_appliance_software0Affected

References

Refsecunia.com/advisories/43488Refwww.cisco.com/en/US/products/products_security_advisory09186a0080b6e14d.shtmlRefwww.securitytracker.com/id?1025108Refwww.vupen.com/english/advisories/2011/0493Refexchange.xforce.ibmcloud.com/vulnerabilities/65589Refsecunia.com/advisories/43488Refwww.cisco.com/en/US/products/products_security_advisory09186a0080b6e14d.shtmlRefwww.securitytracker.com/id?1025108Refwww.vupen.com/english/advisories/2011/0493Refexchange.xforce.ibmcloud.com/vulnerabilities/65589

How CyberStrike helps

Frequently asked questions

What is CVE-2011-0393?

CVE-2011-0393 is a high-severity vulnerability affecting cisco adaptive_security_appliance_software. It was published on February 25, 2011 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2011-0393?

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-0393?

Check the references section for vendor advisories and patches from cisco. Update adaptive_security_appliance_software to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-0393?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-0393 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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