CWE
20
Advisory Published
Updated

CVE-2013-6686: Input Validation

First published: Sat Nov 16 2013(Updated: )

The SSL VPN implementation in Cisco IOS 15.3(1)T2 and earlier allows remote authenticated users to cause a denial of service (interface queue wedge) via crafted DTLS packets in an SSL session, aka Bug IDs CSCuh97409 and CSCud90568.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS<=15.3
Cisco IOS=15.0
Cisco IOS=15.0\(1\)se
Cisco IOS=15.1
Cisco IOS=15.2

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Frequently Asked Questions

  • What is the severity of CVE-2013-6686?

    CVE-2013-6686 has been classified as a denial of service vulnerability.

  • How do I fix CVE-2013-6686?

    To fix CVE-2013-6686, upgrade your Cisco IOS to version 15.3(1)T3 or later.

  • Who is affected by CVE-2013-6686?

    Remote authenticated users of Cisco IOS versions 15.3(1)T2 and earlier are affected by CVE-2013-6686.

  • What kind of attack does CVE-2013-6686 enable?

    CVE-2013-6686 enables an attacker to cause a denial of service by sending crafted DTLS packets.

  • What releases of Cisco IOS should be monitored for CVE-2013-6686?

    Monitor all releases of Cisco IOS prior to 15.3(1)T3, including 15.0, 15.1, and 15.2 for CVE-2013-6686.

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