7.8
CWE
20
Advisory Published
Updated

CVE-2009-4921: Input Validation

First published: Tue Jun 29 2010(Updated: )

Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allow remote attackers to cause a denial of service (traceback) via malformed TCP packets, aka Bug ID CSCsm84110.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Cisco ASA 5580 Firmware<=8.1\(1\)

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Frequently Asked Questions

  • What is the severity of CVE-2009-4921?

    CVE-2009-4921 is classified as a Denial of Service (DoS) vulnerability.

  • How do I fix CVE-2009-4921?

    To fix CVE-2009-4921, upgrade the Cisco Adaptive Security Appliance software to version 8.1(2) or later.

  • What devices are affected by CVE-2009-4921?

    CVE-2009-4921 affects Cisco ASA 5580 series devices running software versions up to and including 8.1(1).

  • Can CVE-2009-4921 be exploited remotely?

    Yes, CVE-2009-4921 can be exploited remotely by attackers sending malformed TCP packets.

  • What is the impact of CVE-2009-4921?

    The impact of CVE-2009-4921 is that it can lead to a denial of service condition on affected Cisco ASA devices.

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