7.8
CVSSv2

CVE-2013-5543

Published: 31/10/2013 Updated: 05/10/2021
CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10
VMScore: 694
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Vulnerability Summary

Cisco IOS XE 3.4 prior to 3.4.2S and 3.5 prior to 3.5.1S on 1000 ASR devices allows remote malicious users 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.

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cisco ios_xe 3.4.0as

cisco ios_xe 3.4.0s

cisco ios_xe 3.4.1s

cisco asr_1006 -

cisco asr_1023_router -

cisco asr_1002-x -

cisco asr_1004 -

cisco asr_1001 -

cisco asr_1002 -

Vendor Advisories

Cisco IOS XE Software for 1000 Series Aggregation Services Routers (ASR) contains the following denial of service (DoS) vulnerabilities: Cisco IOS XE Software Malformed ICMP Packet Denial of Service Vulnerability Cisco IOS XE Software PPTP Traffic Denial of Service Vulnerability Cisco IOS XE Software TCP Segment Reassembly Denial of S ...