CVE-2014-3295: Medium severity Cisco NX-OS vulnerability

Published Jun 14, 2014
·
Updated

The HSRP implementation in Cisco NX-OS 6.2(2a) and earlier allows remote attackers to bypass authentication and cause a denial of service (group-member state modification and traffic blackholing) via malformed HSRP packets, aka Bug ID CSCup11309.

Affected Software

34 affected components
Cisco NX-OS<=6.2\(2a\)
Cisco NX-OS=4.1.\(2\)
Cisco NX-OS=4.1.\(3\)
Cisco NX-OS=4.1.\(4\)
Cisco NX-OS=4.1.\(5\)
Cisco NX-OS=4.2\(3\)
Cisco NX-OS=4.2\(4\)
Cisco NX-OS=4.2\(6\)
Cisco NX-OS=4.2\(8\)
Cisco NX-OS=4.2.\(2a\)
Cisco NX-OS=5.0\(2a\)
Cisco NX-OS=5.0\(3\)
Cisco NX-OS=5.0\(5\)
Cisco NX-OS=5.1\(1a\)
Cisco NX-OS=5.1\(3\)
Cisco NX-OS=5.1\(4\)
Cisco NX-OS=5.1\(5\)
Cisco NX-OS=5.1\(6\)
Cisco NX-OS=5.2\(1\)
Cisco NX-OS=5.2\(3a\)
Cisco NX-OS=5.2\(4\)
Cisco NX-OS=5.2\(5\)
Cisco NX-OS=5.2\(7\)
Cisco NX-OS=5.2\(9\)
Cisco NX-OS=6.0\(1\)
Cisco NX-OS=6.0\(2\)
Cisco NX-OS=6.0\(3\)
Cisco NX-OS=6.0\(4\)
Cisco NX-OS=6.1\(1\)
Cisco NX-OS=6.1\(2\)
Cisco NX-OS=6.1\(3\)
Cisco NX-OS=6.1\(4\)
Cisco NX-OS=6.1\(4a\)
Cisco NX-OS=6.2\(2\)

Event History

Jun 14, 2014
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
Description
Data Sourced
via NVD·04:26 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2014-3295?

CVE-2014-3295 has a significant severity rating due to its potential to allow unauthorized access and denial of service on affected Cisco NX-OS devices.

2

How do I fix CVE-2014-3295?

To fix CVE-2014-3295, upgrade to a patched version of Cisco NX-OS that addresses the vulnerability.

3

Who is affected by CVE-2014-3295?

CVE-2014-3295 affects multiple versions of Cisco NX-OS, including versions up to and including 6.2(2a).

4

What types of attacks can exploit CVE-2014-3295?

CVE-2014-3295 can be exploited through malformed HSRP packets, leading to authentication bypass and denial of service.

5

Is there a workaround for CVE-2014-3295?

There is no effective workaround for CVE-2014-3295, and upgrading to a secure version is strongly recommended.

Contact

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