What is the severity of CVE-2014-3321?

CVE-2014-3321 has a high severity rating due to its potential to cause denial of service by making devices unresponsive.

How do I fix CVE-2014-3321?

To mitigate CVE-2014-3321, upgrade Cisco IOS XR to version 4.3.5 or later.

Is my device affected by CVE-2014-3321?

Devices running Cisco IOS XR versions 4.3.4 and earlier, particularly on ASR 9000 series, are vulnerable to CVE-2014-3321.

What are the risks associated with CVE-2014-3321?

Exploitation of CVE-2014-3321 can lead to significant network disruptions and downtime due to chip and card hangs.

When should I be concerned about CVE-2014-3321?

Immediate concern is warranted if you are using vulnerable versions of Cisco IOS XR as they can be exploited remotely.

Vulnerability/
CVE-2014-3321

medium

5.7

CWE

18/7/2014

6/8/2024

CVE-2014-3321: Input Validation

First published: Fri Jul 18 2014(Updated: )

Cisco IOS XR 4.3.4 and earlier on ASR 9000 devices, when bridge-group virtual interface (BVI) routing is enabled, allows remote attackers to cause a denial of service (chip and card hangs) via a series of crafted MPLS packets, aka Bug ID CSCuo91149.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco IOS XRv 9000	<=4.3.4
Cisco IOS XRv 9000	=4.3.0
Cisco IOS XRv 9000	=4.3.1
Cisco IOS XRv 9000	=4.3.2
Cisco ASR 9000v-v2
Cisco ASR 9001
Cisco ASR 9006 Router
Cisco ASR 9010 Router
Cisco ASR 9904
Cisco ASR 9912
Cisco ASR 9922

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2014-3321?
CVE-2014-3321 has a high severity rating due to its potential to cause denial of service by making devices unresponsive.
How do I fix CVE-2014-3321?
To mitigate CVE-2014-3321, upgrade Cisco IOS XR to version 4.3.5 or later.
Is my device affected by CVE-2014-3321?
Devices running Cisco IOS XR versions 4.3.4 and earlier, particularly on ASR 9000 series, are vulnerable to CVE-2014-3321.
What are the risks associated with CVE-2014-3321?
Exploitation of CVE-2014-3321 can lead to significant network disruptions and downtime due to chip and card hangs.
When should I be concerned about CVE-2014-3321?
Immediate concern is warranted if you are using vulnerable versions of Cisco IOS XR as they can be exploited remotely.

agent/type
agent/first-publish-date
collector/mitre-cve
source/MITRE
agent/severity
agent/last-modified-date
agent/references
agent/author
agent/weakness
agent/description
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
agent/softwarecombine
vendor/cisco
canonical/cisco ios xrv 9000
version/cisco ios xrv 9000/4.3.4
version/cisco ios xrv 9000/4.3.0
version/cisco ios xrv 9000/4.3.1
version/cisco ios xrv 9000/4.3.2
canonical/cisco asr 9000v-v2
canonical/cisco asr 9001
canonical/cisco asr 9006 router
canonical/cisco asr 9010 router
canonical/cisco asr 9904
canonical/cisco asr 9912
canonical/cisco asr 9922

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Frequently Asked Questions

What is the severity of CVE-2014-3321?
CVE-2014-3321 has a high severity rating due to its potential to cause denial of service by making devices unresponsive.
How do I fix CVE-2014-3321?
To mitigate CVE-2014-3321, upgrade Cisco IOS XR to version 4.3.5 or later.
Is my device affected by CVE-2014-3321?
Devices running Cisco IOS XR versions 4.3.4 and earlier, particularly on ASR 9000 series, are vulnerable to CVE-2014-3321.
What are the risks associated with CVE-2014-3321?
Exploitation of CVE-2014-3321 can lead to significant network disruptions and downtime due to chip and card hangs.
When should I be concerned about CVE-2014-3321?
Immediate concern is warranted if you are using vulnerable versions of Cisco IOS XR as they can be exploited remotely.