AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2013-5543

HIGH · CVSS 7.8 EPSS 1.89%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2013-10-31 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Cisco. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2013-5543
Severity
HIGH
CVSS
7.8
EPSS
1.89%
Cisco

Original NVD 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.