CVE-2019-12669

HIGH

Cisco IOS XE - Denial of Service via Malformed RADIUS CoA Packet

Title source: llm
STIX 2.1

Description

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

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