high
7.8
CWE
20
Advisory Published
Updated

CVE-2016-1481: Input Validation

First published: Fri Oct 28 2016(Updated: )

A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Email Security Appliances, both virtual and hardware appliances, if the software is configured to apply a message filter that contains certain rules. More Information: CSCux59873. Known Affected Releases: 8.5.6-106 9.1.0-032 9.7.0-125. Known Fixed Releases: 9.1.1-038 9.7.1-066.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Email Security Appliance Firmware=8.5.0-000
Cisco Email Security Appliance Firmware=8.5.0-er1-198
Cisco Email Security Appliance Firmware=8.5.6-052
Cisco Email Security Appliance Firmware=8.5.6-073
Cisco Email Security Appliance Firmware=8.5.6-074
Cisco Email Security Appliance Firmware=8.5.6-106
Cisco Email Security Appliance Firmware=8.5.6-113
Cisco Email Security Appliance Firmware=8.5.7-042
Cisco Email Security Appliance Firmware=8.6.0
Cisco Email Security Appliance Firmware=8.6.0-011
Cisco Email Security Appliance Firmware=8.9.0
Cisco Email Security Appliance Firmware=8.9.1-000
Cisco Email Security Appliance Firmware=8.9.2-032
Cisco Email Security Appliance Firmware=9.0.0
Cisco Email Security Appliance Firmware=9.0.0-212
Cisco Email Security Appliance Firmware=9.0.0-461
Cisco Email Security Appliance Firmware=9.0.5-000
Cisco Email Security Appliance Firmware=9.1.0
Cisco Email Security Appliance Firmware=9.1.0-011
Cisco Email Security Appliance Firmware=9.1.0-032
Cisco Email Security Appliance Firmware=9.1.0-101
Cisco Email Security Appliance Firmware=9.1.1-000
Cisco Email Security Appliance Firmware=9.4.0
Cisco Email Security Appliance Firmware=9.4.4-000
Cisco Email Security Appliance Firmware=9.5.0-000
Cisco Email Security Appliance Firmware=9.5.0-201
Cisco Email Security Appliance Firmware=9.6.0-000
Cisco Email Security Appliance Firmware=9.6.0-042
Cisco Email Security Appliance Firmware=9.6.0-051
Cisco Email Security Appliance Firmware=9.7.0-125

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2016-1481?

    CVE-2016-1481 has a severity rating that allows an unauthenticated remote attacker to potentially cause a denial of service (DoS) condition.

  • What products are affected by CVE-2016-1481?

    CVE-2016-1481 affects all releases of Cisco Email Security Appliances prior to certain fixed versions.

  • How do I fix CVE-2016-1481?

    To mitigate CVE-2016-1481, upgrade the Cisco Email Security Appliance to a version that addresses this vulnerability.

  • What causes the vulnerability CVE-2016-1481?

    CVE-2016-1481 is caused by issues in the email message filtering feature of Cisco AsyncOS Software.

  • Is authentication required to exploit CVE-2016-1481?

    No, CVE-2016-1481 can be exploited by an unauthenticated, remote attacker.

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