high
7.8
CWE
399
Advisory Published
Updated

CVE-2015-6327

First published: Sun Oct 25 2015(Updated: )

The IKEv1 implementation in Cisco Adaptive Security Appliance (ASA) software 7.2 and 8.2 before 8.2(5.58), 8.3 and 8.4 before 8.4(7.29), 8.5 through 8.7 before 8.7(1.17), 9.0 before 9.0(4.37), 9.1 before 9.1(6.8), 9.2 before 9.2(4), and 9.3 before 9.3(3) allows remote attackers to cause a denial of service (device reload) via crafted ISAKMP UDP packets, aka Bug ID CSCus94026.

Credit: ykramarz@cisco.com ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Adaptive Security Appliance=7.2.1
Cisco Adaptive Security Appliance=7.2.1.9
Cisco Adaptive Security Appliance=7.2.1.13
Cisco Adaptive Security Appliance=7.2.1.19
Cisco Adaptive Security Appliance=7.2.1.24
Cisco Adaptive Security Appliance=7.2.2
Cisco Adaptive Security Appliance=7.2.2.6
Cisco Adaptive Security Appliance=7.2.2.10
Cisco Adaptive Security Appliance Software=7.2.2.14
Cisco Adaptive Security Appliance Software=7.2.2.18
Cisco Adaptive Security Appliance Software=7.2.2.19
Cisco Adaptive Security Appliance Software=7.2.2.22
Cisco Adaptive Security Appliance Software=7.2.2.34
Cisco Adaptive Security Appliance Software=7.2.3
Cisco Adaptive Security Appliance Software=7.2.3.1
Cisco Adaptive Security Appliance Software=7.2.3.12
Cisco Adaptive Security Appliance Software=7.2.3.16
Cisco Adaptive Security Appliance Software=7.2.4
Cisco Adaptive Security Appliance Software=7.2.4.6
Cisco Adaptive Security Appliance Software=7.2.4.9
Cisco Adaptive Security Appliance Software=7.2.4.18
Cisco Adaptive Security Appliance Software=7.2.4.25
Cisco Adaptive Security Appliance Software=7.2.4.27
Cisco Adaptive Security Appliance Software=7.2.4.30
Cisco Adaptive Security Appliance Software=7.2.4.33
Cisco Adaptive Security Appliance Software=7.2.5
Cisco Adaptive Security Appliance Software=7.2.5.2
Cisco Adaptive Security Appliance Software=7.2.5.4
Cisco Adaptive Security Appliance Software=7.2.5.7
Cisco Adaptive Security Appliance Software=7.2.5.8
Cisco Adaptive Security Appliance Software=7.2.5.10
Cisco Adaptive Security Appliance Software=7.2.5.12
Cisco Adaptive Security Appliance Software=7.2.5.16
Cisco Adaptive Security Appliance Software=8.2.0.45
Cisco Adaptive Security Appliance Software=8.2.1
Cisco Adaptive Security Appliance Software=8.2.1.11
Cisco Adaptive Security Appliance Software=8.2.2
Cisco Adaptive Security Appliance Software=8.2.2.9
Cisco Adaptive Security Appliance Software=8.2.2.10
Cisco Adaptive Security Appliance Software=8.2.2.12
Cisco Adaptive Security Appliance Software=8.2.2.16
Cisco Adaptive Security Appliance Software=8.2.2.17
Cisco Adaptive Security Appliance Software=8.2.3
Cisco Adaptive Security Appliance Software=8.2.4
Cisco Adaptive Security Appliance Software=8.2.4.1
Cisco Adaptive Security Appliance Software=8.2.4.4
Cisco Adaptive Security Appliance Software=8.2.5
Cisco Adaptive Security Appliance Software=8.2.5.13
Cisco Adaptive Security Appliance Software=8.2.5.22
Cisco Adaptive Security Appliance Software=8.2.5.26
Cisco Adaptive Security Appliance Software=8.2.5.33
Cisco Adaptive Security Appliance Software=8.2.5.40
Cisco Adaptive Security Appliance Software=8.2.5.41
Cisco Adaptive Security Appliance Software=8.2.5.46
Cisco Adaptive Security Appliance Software=8.2.5.48
Cisco Adaptive Security Appliance Software=8.2.5.50
Cisco Adaptive Security Appliance Software=8.2.5.52
Cisco Adaptive Security Appliance Software=8.2.5.55
Cisco Adaptive Security Appliance Software=8.2.5.57
Cisco Adaptive Security Appliance Software=8.3.1
Cisco Adaptive Security Appliance Software=8.3.1.1
Cisco Adaptive Security Appliance Software=8.3.1.4
Cisco Adaptive Security Appliance Software=8.3.1.6
Cisco Adaptive Security Appliance Software=8.3.2
Cisco Adaptive Security Appliance Software=8.3.2.4
Cisco Adaptive Security Appliance Software=8.3.2.13
Cisco Adaptive Security Appliance Software=8.3.2.23
Cisco Adaptive Security Appliance Software=8.3.2.25
Cisco Adaptive Security Appliance Software=8.3.2.31
Cisco Adaptive Security Appliance Software=8.3.2.33
Cisco Adaptive Security Appliance Software=8.3.2.34
Cisco Adaptive Security Appliance Software=8.3.2.37
Cisco Adaptive Security Appliance Software=8.3.2.39
Cisco Adaptive Security Appliance Software=8.3.2.40
Cisco Adaptive Security Appliance Software=8.3.2.41
Cisco Adaptive Security Appliance Software=8.3.2.44
Cisco Adaptive Security Appliance Software=8.4.1
Cisco Adaptive Security Appliance Software=8.4.1.3
Cisco Adaptive Security Appliance Software=8.4.1.11
Cisco Adaptive Security Appliance Software=8.4.2
Cisco Adaptive Security Appliance Software=8.4.2.1
Cisco Adaptive Security Appliance Software=8.4.2.8
Cisco Adaptive Security Appliance Software=8.4.3
Cisco Adaptive Security Appliance Software=8.4.3.8
Cisco Adaptive Security Appliance Software=8.4.3.9
Cisco Adaptive Security Appliance Software=8.4.4
Cisco Adaptive Security Appliance Software=8.4.4.1
Cisco Adaptive Security Appliance Software=8.4.4.3
Cisco Adaptive Security Appliance Software=8.4.4.5
Cisco Adaptive Security Appliance Software=8.4.4.9
Cisco Adaptive Security Appliance Software=8.4.5
Cisco Adaptive Security Appliance Software=8.4.5.6
Cisco Adaptive Security Appliance Software=8.4.6
Cisco Adaptive Security Appliance Software=8.4.7
Cisco Adaptive Security Appliance Software=8.4.7.3
Cisco Adaptive Security Appliance Software=8.4.7.15
Cisco Adaptive Security Appliance Software=8.4.7.22
Cisco Adaptive Security Appliance Software=8.4.7.23
Cisco Adaptive Security Appliance Software=8.4.7.26
Cisco Adaptive Security Appliance Software=8.4.7.28
Cisco Adaptive Security Appliance Software=8.5.1
Cisco Adaptive Security Appliance Software=8.5.1.1
Cisco Adaptive Security Appliance Software=8.5.1.6
Cisco Adaptive Security Appliance Software=8.5.1.7
Cisco Adaptive Security Appliance Software=8.5.1.14
Cisco Adaptive Security Appliance Software=8.5.1.17
Cisco Adaptive Security Appliance Software=8.5.1.18
Cisco Adaptive Security Appliance Software=8.5.1.19
Cisco Adaptive Security Appliance Software=8.5.1.21
Cisco Adaptive Security Appliance Software=8.5.1.24
Cisco Adaptive Security Appliance Software=8.6.1
Cisco Adaptive Security Appliance Software=8.6.1.1
Cisco Adaptive Security Appliance Software=8.6.1.2
Cisco Adaptive Security Appliance Software=8.6.1.5
Cisco Adaptive Security Appliance Software=8.6.1.10
Cisco Adaptive Security Appliance Software=8.6.1.12
Cisco Adaptive Security Appliance Software=8.6.1.13
Cisco Adaptive Security Appliance Software=8.6.1.14
Cisco Adaptive Security Appliance Software=8.6.1.17
Cisco Adaptive Security Appliance Software=8.7.1
Cisco Adaptive Security Appliance Software=8.7.1.1
Cisco Adaptive Security Appliance Software=8.7.1.3
Cisco Adaptive Security Appliance Software=8.7.1.4
Cisco Adaptive Security Appliance Software=8.7.1.7
Cisco Adaptive Security Appliance Software=8.7.1.8
Cisco Adaptive Security Appliance Software=8.7.1.11
Cisco Adaptive Security Appliance Software=8.7.1.13
Cisco Adaptive Security Appliance Software=8.7.1.16
Cisco Adaptive Security Appliance Software=9.0.1
Cisco Adaptive Security Appliance Software=9.0.2
Cisco Adaptive Security Appliance Software=9.0.2.10
Cisco Adaptive Security Appliance Software=9.0.3
Cisco Adaptive Security Appliance Software=9.0.3.6
Cisco Adaptive Security Appliance Software=9.0.3.8
Cisco Adaptive Security Appliance Software=9.0.4
Cisco Adaptive Security Appliance Software=9.0.4.1
Cisco Adaptive Security Appliance Software=9.0.4.5
Cisco Adaptive Security Appliance Software=9.0.4.7
Cisco Adaptive Security Appliance Software=9.0.4.17
Cisco Adaptive Security Appliance Software=9.0.4.20
Cisco Adaptive Security Appliance Software=9.0.4.24
Cisco Adaptive Security Appliance Software=9.0.4.26
Cisco Adaptive Security Appliance Software=9.0.4.29
Cisco Adaptive Security Appliance Software=9.0.4.33
Cisco Adaptive Security Appliance Software=9.0.4.35
Cisco Adaptive Security Appliance Software=9.1.1
Cisco Adaptive Security Appliance Software=9.1.1.4
Cisco Adaptive Security Appliance Software=9.1.2
Cisco Adaptive Security Appliance Software=9.1.2.8
Cisco Adaptive Security Appliance Software=9.1.3
Cisco Adaptive Security Appliance Software=9.1.3.2
Cisco Adaptive Security Appliance Software=9.1.4
Cisco Adaptive Security Appliance Software=9.1.4.5
Cisco Adaptive Security Appliance Software=9.1.5
Cisco Adaptive Security Appliance Software=9.1.5.10
Cisco Adaptive Security Appliance Software=9.1.5.12
Cisco Adaptive Security Appliance Software=9.1.5.15
Cisco Adaptive Security Appliance Software=9.1.5.21
Cisco Adaptive Security Appliance Software=9.1.6
Cisco Adaptive Security Appliance Software=9.1.6.1
Cisco Adaptive Security Appliance Software=9.1.6.4
Cisco Adaptive Security Appliance Software=9.1.6.6
Cisco Adaptive Security Appliance Software=9.2.1
Cisco Adaptive Security Appliance Software=9.2.2
Cisco Adaptive Security Appliance Software=9.2.2.4
Cisco Adaptive Security Appliance Software=9.2.2.7
Cisco Adaptive Security Appliance Software=9.2.2.8
Cisco Adaptive Security Appliance Software=9.2.3
Cisco Adaptive Security Appliance Software=9.2.3.3
Cisco Adaptive Security Appliance Software=9.2.3.4
Cisco Adaptive Security Appliance Software=9.3.1
Cisco Adaptive Security Appliance Software=9.3.1.1
Cisco Adaptive Security Appliance Software=9.3.2
Cisco Adaptive Security Appliance Software=9.3.2.2
Cisco Adaptive Security Appliance Software=7.2.1
Cisco Adaptive Security Appliance Software=7.2.1.9
Cisco Adaptive Security Appliance Software=7.2.1.13
Cisco Adaptive Security Appliance Software=7.2.1.19
Cisco Adaptive Security Appliance Software=7.2.1.24
Cisco Adaptive Security Appliance Software=7.2.2
Cisco Adaptive Security Appliance Software=7.2.2.6
Cisco Adaptive Security Appliance Software=7.2.2.10

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-6327?

    CVE-2015-6327 is rated as high severity due to its potential to allow remote attackers to trigger a denial-of-service condition.

  • How do I fix CVE-2015-6327?

    To fix CVE-2015-6327, upgrade your Cisco Adaptive Security Appliance to the latest fixed version as recommended by Cisco.

  • What versions of Cisco ASA are affected by CVE-2015-6327?

    CVE-2015-6327 affects Cisco ASA software versions 7.2 and 8.2 before 8.2(5.58), and various versions from 8.3 to 9.3 prior to their fixed releases.

  • Is there a workaround for CVE-2015-6327?

    Currently, there are no specific workarounds provided for CVE-2015-6327; upgrading to a patched version is the best course of action.

  • What kind of attacks are possible with CVE-2015-6327?

    CVE-2015-6327 can allow remote attackers to manipulate IKEv1 packets, potentially causing denial-of-service disruptions.

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