CVE-2013-5543

Cisco IOS XE 3.4-3.4.2S and 3.5-3.5.1S - Denial of Service via Malformed ICMP Error Packets

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

EPSS 0.0189
EPSS Percentile 77.1%

Details

CWE
CWE-20
Status published
Products (9)
cisco/asr_1001
cisco/asr_1002
cisco/asr_1002-x
cisco/asr_1004
cisco/asr_1006
cisco/asr_1023_router
cisco/ios_xe 3.4.0as
cisco/ios_xe 3.4.0s
cisco/ios_xe 3.4.1s
Published Oct 31, 2013
Tracked Since Feb 18, 2026