CVE-2013-5543 — Improper Input Validation in Cisco IOS XE

CWE-20 — Improper Input ValidationCWE-3994 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 37.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Cisco IOS XE
Timeline
PublishedOct 31
Latest updateMay 13

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.

CVSS vector

AV:N/AC:L/C:N/I:N/A:CExploitability: 10.0 | Impact: 6.9

Affected Packages1 packages

▶NVDcisco/ios_xe3.4.0as, 3.4.0s, 3.4.1s+2

🔴Vulnerability Details

2
GHSA
GHSA-hxjm-hq6x-h7px: Cisco IOS XE 3↗2022-05-13
▶
CVEList
CVE-2013-5543: Cisco IOS XE 3↗2013-10-31
▶

📋Vendor Advisories

1
Cisco
Multiple Vulnerabilities in Cisco IOS XE Software for 1000 Series Aggregation Services Routers↗2013-10-30
▶
CVE-2013-5543 — Improper Input Validation in Cisco | cvebase