CVE-2018-0470

HIGH

Cisco IOS XE - Unauthenticated Denial of Service via Malformed HTTP Packet

Title source: llm
STIX 2.1

Description

A vulnerability in the web framework of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a buffer overflow condition on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to the affected software improperly parsing malformed HTTP packets that are destined to a device. An attacker could exploit this vulnerability by sending a malformed HTTP packet to an affected device for processing. A successful exploit could allow the attacker to cause a buffer overflow condition on the affected device, resulting in a DoS condition.

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1041737
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/105397

Scores

CVSS v3 8.6
EPSS 0.0440
EPSS Percentile 90.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-119 CWE-399
Status published
Products (2)
cisco/ios_xe 16.2.0
cisco/ios_xe 16.3\(1\)
Published Oct 05, 2018
Tracked Since Feb 18, 2026