What is the severity of CVE-2015-4205?

CVE-2015-4205 has a medium severity level as it allows for denial of service on Cisco IOS XR 5.3.1 devices.

How do I fix CVE-2015-4205?

To mitigate CVE-2015-4205, upgrade your device to a patched version of Cisco IOS XR that addresses the flow-control PAUSE frame vulnerability.

Which devices are affected by CVE-2015-4205?

CVE-2015-4205 specifically affects Cisco ASR 9000 series routers running IOS XR version 5.3.1.

What is the impact of CVE-2015-4205?

The impact of CVE-2015-4205 is that remote attackers can reset the network processing unit or reload line cards, leading to service disruption.

Who is affected by CVE-2015-4205?

Organizations using Cisco ASR 9000 devices with IOS XR version 5.3.1 could be affected by CVE-2015-4205 if they are exposed to untrusted local networks.

Vulnerability/
CVE-2015-4205

medium

5.7

CWE

399

23/6/2015

6/8/2024

CVE-2015-4205

First published: Tue Jun 23 2015(Updated: )

Cisco IOS XR 5.3.1 on ASR 9000 devices allows remote attackers to cause a denial of service (NPU chip reset or line-card reload) by sending crafted IEEE 802.3x flow-control PAUSE frames on the local network, aka Bug ID CSCut19959.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco IOS XRv 9000	=5.3.1
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-2015-4205?
CVE-2015-4205 has a medium severity level as it allows for denial of service on Cisco IOS XR 5.3.1 devices.
How do I fix CVE-2015-4205?
To mitigate CVE-2015-4205, upgrade your device to a patched version of Cisco IOS XR that addresses the flow-control PAUSE frame vulnerability.
Which devices are affected by CVE-2015-4205?
CVE-2015-4205 specifically affects Cisco ASR 9000 series routers running IOS XR version 5.3.1.
What is the impact of CVE-2015-4205?
The impact of CVE-2015-4205 is that remote attackers can reset the network processing unit or reload line cards, leading to service disruption.
Who is affected by CVE-2015-4205?
Organizations using Cisco ASR 9000 devices with IOS XR version 5.3.1 could be affected by CVE-2015-4205 if they are exposed to untrusted local networks.

agent/type
collector/mitre-cve
source/MITRE
agent/weakness
agent/last-modified-date
agent/severity
agent/references
agent/author
agent/description
agent/first-publish-date
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 9000/5.3.1
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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