CVE-2015-4293

Medium

Description

The packet-reassembly implementation in Cisco IOS XE 3.13S and earlier allows remote attackers to cause a denial of service (CPU consumption or packet loss) via fragmented (1) IPv4 or (2) IPv6 packets that trigger ATTN-3-SYNC_TIMEOUT errors after reassembly failures, aka Bug ID CSCuo37957.

SeverityMedium
CVSS5.0
Exploit probability—
ProductCisco Ios Xe
PublishedJul 30, 2015
First seenJul 30, 2015

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
cisco ios_xe2.1.0, 2.1.1, 2.1.2, 2.2.1, 2.2.2, 2.2.3, 2.3.0, 2.3.0t, 2.3.1t, 2.3.2, 2.4.0, 2.4.1, 2.5.0, 2.5.1, 2.5.2, 2.6.0, 2.6.1, 2.6.2, 3.10s.0, 3.10s.0a, 3.10s.1, 3.10s.2, 3.10s.3, 3.11s.0, 3.11s.1, 3.11s.2, 3.12s.0, 3.12s.1, 3.13s.0—

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