CVE-2018-0470
HIGHCisco IOS XE - Unauthenticated Denial of Service via Malformed HTTP Packet
Title source: llmDescription
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
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-webdos
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
Various Sources x_refsource_misc
https://ics-cert.us-cert.gov/advisories/ICSA-19-094-03
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