What is the severity of CVE-2013-5473?

CVE-2013-5473 has a severity rating that allows remote attackers to cause a denial of service.

How do I fix CVE-2013-5473?

To fix CVE-2013-5473, upgrade to a version of Cisco IOS or IOS XE that is not vulnerable, specifically versions above 12.2, 15.1, 15.2, and 3.6.1S.

Which Cisco IOS versions are affected by CVE-2013-5473?

CVE-2013-5473 affects Cisco IOS versions 12.2, 15.1, 15.2, and specific IOS XE versions before 3.6.1S.

What kind of attack does CVE-2013-5473 allow?

CVE-2013-5473 allows remote attackers to exploit a memory leak leading to device reload or denial of service through malformed IKEv1 packets.

Can CVE-2013-5473 be exploited remotely?

Yes, CVE-2013-5473 can be exploited remotely through the sending of malformed IKEv1 packets.

Vulnerability/
CVE-2013-5473

high

7.8

CWE

399

27/9/2013

17/9/2024

CVE-2013-5473

First published: Fri Sep 27 2013(Updated: )

Memory leak in Cisco IOS 12.2, 15.1, and 15.2; IOS XE 3.4.2S through 3.4.5S; and IOS XE 3.6.xS before 3.6.1S allows remote attackers to cause a denial of service (memory consumption or device reload) via malformed IKEv1 packets, aka Bug ID CSCtx66011.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco IOS	=12.2
Cisco IOS	=15.1
Cisco IOS	=15.2
Cisco IOS XE Software	=3.4.2s
Cisco IOS XE Software	=3.4.3s
Cisco IOS XE Software	=3.4.4s
Cisco IOS XE Software	=3.4.5s
Cisco IOS XE Software	=3.6.0s

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Reference Links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130925-ike

Frequently Asked Questions

What is the severity of CVE-2013-5473?
CVE-2013-5473 has a severity rating that allows remote attackers to cause a denial of service.
How do I fix CVE-2013-5473?
To fix CVE-2013-5473, upgrade to a version of Cisco IOS or IOS XE that is not vulnerable, specifically versions above 12.2, 15.1, 15.2, and 3.6.1S.
Which Cisco IOS versions are affected by CVE-2013-5473?
CVE-2013-5473 affects Cisco IOS versions 12.2, 15.1, 15.2, and specific IOS XE versions before 3.6.1S.
What kind of attack does CVE-2013-5473 allow?
CVE-2013-5473 allows remote attackers to exploit a memory leak leading to device reload or denial of service through malformed IKEv1 packets.
Can CVE-2013-5473 be exploited remotely?
Yes, CVE-2013-5473 can be exploited remotely through the sending of malformed IKEv1 packets.

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version/cisco ios xe/3.4.5s
version/cisco ios xe/3.6.0s

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