What is the severity of CVE-2012-1311?

CVE-2012-1311 has a severity level that can lead to a denial of service, affecting network availability.

How do I fix CVE-2012-1311?

To fix CVE-2012-1311, upgrade to Cisco IOS version 15.2 or later, or IOS XE version 3.4.2S or later.

What systems are affected by CVE-2012-1311?

CVE-2012-1311 affects Cisco IOS 15.0, 15.1, and various versions of Cisco IOS XE prior to 3.4.2S when configured with a VRF interface.

What is the nature of the vulnerability in CVE-2012-1311?

CVE-2012-1311 allows remote attackers to cause denial of service through crafted RSVP packets.

Is CVE-2012-1311 related to specific configurations?

Yes, CVE-2012-1311 is related to the RSVP feature when a VRF interface is configured in the affected Cisco IOS versions.

Vulnerability/
CVE-2012-1311

high

7.8

CWE

399

29/3/2012

6/8/2024

CVE-2012-1311

First published: Thu Mar 29 2012(Updated: )

The RSVP feature in Cisco IOS 15.0 and 15.1 and IOS XE 3.2.xS through 3.4.xS before 3.4.2S, when a VRF interface is configured, allows remote attackers to cause a denial of service (interface queue wedge and service outage) via crafted RSVP packets, aka Bug ID CSCts80643.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco IOS	=15.0
Cisco IOS	=15.1
Cisco IOS XE Web UI	=3.2.0s
Cisco IOS XE Web UI	=3.2.1s
Cisco IOS XE Web UI	=3.2.2s
Cisco IOS XE Web UI	=3.3.0s
Cisco IOS XE Web UI	=3.4.0s

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2012-1311?
CVE-2012-1311 has a severity level that can lead to a denial of service, affecting network availability.
How do I fix CVE-2012-1311?
To fix CVE-2012-1311, upgrade to Cisco IOS version 15.2 or later, or IOS XE version 3.4.2S or later.
What systems are affected by CVE-2012-1311?
CVE-2012-1311 affects Cisco IOS 15.0, 15.1, and various versions of Cisco IOS XE prior to 3.4.2S when configured with a VRF interface.
What is the nature of the vulnerability in CVE-2012-1311?
CVE-2012-1311 allows remote attackers to cause denial of service through crafted RSVP packets.
Is CVE-2012-1311 related to specific configurations?
Yes, CVE-2012-1311 is related to the RSVP feature when a VRF interface is configured in the affected Cisco IOS versions.

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agent/software-canonical-lookup-request
vendor/cisco
canonical/cisco ios
version/cisco ios/15.0
version/cisco ios/15.1
canonical/cisco ios xe web ui
version/cisco ios xe web ui/3.2.0s
version/cisco ios xe web ui/3.2.1s
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