85821 : Cisco Catalyst 4500E Series Switch Malformed Packet Parsing Remote DoS
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Disclosure Date


Cisco Catalyst 4500E Series Switch contains a flaw that may allow a remote denial of service. The issue is triggered when the device fails to properly process a malformed packet. With a specially crafted packet sent to or through the device, a remote attacker can cause a loss of availability for the device.


Location: Remote / Network Access
Impact: Loss of Availability
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified


Upgrade IOS XE to version 3.3.0.SG or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.


Cisco Systems, Inc.
Catalyst 4500E Series Switch



CVSSv2 Score

CVSSv2 Base Score = 7.1
Source: nvd.nist.gov | Generated: 2012-09-27 | Disagree?

Access_vector_2 Access_complexity_1 Authentication_2 Confidentiality_impact_0 Integrity_impact_0 Availability_impact_2


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