CVE-2019-12669
HIGHCisco IOS XE - Denial of Service via Malformed RADIUS CoA Packet
Title source: llmDescription
A vulnerability in the RADIUS Change of Authorization (CoA) code of Cisco TrustSec, a feature within Cisco IOS XE Software, could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper handling of a malformed packet. An attacker could exploit this vulnerability by sending a malformed packet to an affected device. A successful exploit could allow the attacker to cause a DoS condition on the affected device.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-tsec
Scores
CVSS v3
7.5
EPSS
0.0183
EPSS Percentile
76.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-20
Status
published
Products (3)
cisco/ios
15.2\(3\)e
cisco/ios
15.2\(3\)e5
cisco/ios
16.11.1
Published
Sep 25, 2019
Tracked Since
Feb 18, 2026