What is the severity of CVE-2012-4620?

CVE-2012-4620 is classified as a high severity vulnerability due to its potential to cause a denial of service on affected Cisco routers.

What are the affected devices for CVE-2012-4620?

CVE-2012-4620 affects Cisco 10000 series routers running Cisco IOS versions 12.2 and 15.0 through 15.2.

How do I fix CVE-2012-4620?

To mitigate CVE-2012-4620, upgrade the Cisco IOS software to a version that is not affected by this vulnerability.

Can CVE-2012-4620 be exploited remotely?

Yes, CVE-2012-4620 can be exploited remotely by sending specially crafted tunneled packets to the affected devices.

What are the impacts of CVE-2012-4620 on affected systems?

The primary impact of CVE-2012-4620 is a denial of service condition that leads to an interface queue wedge, disrupting normal network operations.

Vulnerability/
CVE-2012-4620

high

7.8

CWE

399

27/9/2012

6/8/2024

CVE-2012-4620

First published: Thu Sep 27 2012(Updated: )

Cisco IOS 12.2 and 15.0 through 15.2 on Cisco 10000 series routers, when a tunnel interface exists, allows remote attackers to cause a denial of service (interface queue wedge) via tunneled (1) GRE/IP, (2) IPIP, or (3) IPv6 in IPv4 packets, aka Bug ID CSCts66808.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco 10008 Router
Cisco IOS	=12.2
Cisco IOS	=15.0
Cisco IOS	=15.0\(1\)se
Cisco IOS	=15.1
Cisco IOS	=15.2

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Frequently Asked Questions

What is the severity of CVE-2012-4620?
CVE-2012-4620 is classified as a high severity vulnerability due to its potential to cause a denial of service on affected Cisco routers.
What are the affected devices for CVE-2012-4620?
CVE-2012-4620 affects Cisco 10000 series routers running Cisco IOS versions 12.2 and 15.0 through 15.2.
How do I fix CVE-2012-4620?
To mitigate CVE-2012-4620, upgrade the Cisco IOS software to a version that is not affected by this vulnerability.
Can CVE-2012-4620 be exploited remotely?
Yes, CVE-2012-4620 can be exploited remotely by sending specially crafted tunneled packets to the affected devices.
What are the impacts of CVE-2012-4620 on affected systems?
The primary impact of CVE-2012-4620 is a denial of service condition that leads to an interface queue wedge, disrupting normal network operations.

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agent/tags
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vendor/cisco
canonical/cisco 10008 router
canonical/cisco ios
version/cisco ios/12.2
version/cisco ios/15.0
version/cisco ios/15.0\(1\)se
version/cisco ios/15.1
version/cisco ios/15.2

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