CVE-2019-1750
HIGHCisco IOS XE - Unauthenticated Denial of Service via CDP Packet Processing
Title source: llmDescription
A vulnerability in the Easy Virtual Switching System (VSS) of Cisco IOS XE Software on Catalyst 4500 Series Switches could allow an unauthenticated, adjacent attacker to cause the switches to reload. The vulnerability is due to incomplete error handling when processing Cisco Discovery Protocol (CDP) packets used with the Easy Virtual Switching System. An attacker could exploit this vulnerability by sending a specially crafted CDP packet. An exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition.
References (2)
Core 2
Core References
Patch, Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-evss
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/107607
Scores
CVSS v3
7.4
EPSS
0.0071
EPSS Percentile
49.1%
Attack Vector
ADJACENT_NETWORK
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-20
CWE-388
Status
published
Products (42)
cisco/ios_xe
3.6.0ae
cisco/ios_xe
3.6.0be
cisco/ios_xe
3.6.0e
cisco/ios_xe
3.6.1e
cisco/ios_xe
3.6.2ae
cisco/ios_xe
3.6.2e
cisco/ios_xe
3.6.3e
cisco/ios_xe
3.6.4e
cisco/ios_xe
3.6.5ae
cisco/ios_xe
3.6.5be
... and 32 more
Published
Mar 28, 2019
Tracked Since
Feb 18, 2026