CVE-2013-5543
High
Description
Cisco IOS XE 3.4 before 3.4.2S and 3.5 before 3.5.1S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) via malformed ICMP error packets associated with a (1) TCP or (2) UDP session that is under inspection by the Zone-Based Firewall (ZBFW) component, aka Bug ID CSCtt26470.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Cisco Ios Xe
PublishedOct 31, 2013
First seenOct 31, 2013
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco ios_xe | 3.4.0as, 3.4.0s, 3.4.1s | — |
| cisco asr_1001 | No range specified | — |
| cisco asr_1002 | No range specified | — |
| cisco asr_1002-x | No range specified | — |
| cisco asr_1004 | No range specified | — |
| cisco asr_1006 | No range specified | — |
| cisco asr_1023_router | No range specified | — |
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