high
8.6
CWE
20
Advisory Published
Updated

CVE-2019-12663: Cisco IOS XE Software TrustSec Protected Access Credential Provisioning Denial of Service Vulnerability

First published: Wed Sep 25 2019(Updated: )

A vulnerability in the Cisco TrustSec (CTS) Protected Access Credential (PAC) provisioning module of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of attributes in RADIUS messages. An attacker could exploit this vulnerability by sending a malicious RADIUS message to an affected device while the device is in a specific state.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS XE=16.6.4
Cisco IOS XE=16.12.1
Cisco Catalyst C9300-24P
Cisco Catalyst C9300-24P
Cisco Catalyst 9300 Series
Cisco Catalyst 9300 Series
Cisco Catalyst C9300-24T
Cisco Catalyst C9300-24T
Cisco Catalyst C9300-24U
Cisco Catalyst C9300-24U
Cisco Catalyst 9300-24UX-A
Cisco Catalyst 9300-24UX-E
Cisco Catalyst 9300-48P-A
Cisco Catalyst 9300-48P-E
Cisco Catalyst 9300 Series
Cisco Catalyst 9300 Series
Cisco Catalyst 9300-48T-A
Cisco Catalyst 9300-48T-E
Cisco Catalyst 9300-48U-A
Cisco Catalyst 9300-48U-E
Cisco Catalyst C9300 Series
Cisco Catalyst 9300-48U-E
Cisco Catalyst 9300-48UXM-A
Cisco Catalyst 9300-48UXM-E
Cisco Catalyst C9300L-24P-4G
Cisco Catalyst C9300L-24P-4G
Cisco Catalyst 9300L-24P-4X-A
Cisco Catalyst 9300L-24P-4X-E
Cisco Catalyst 9300L-24T-4G
Cisco Catalyst 9300L-24T-4G
Cisco Catalyst 9300L-24T-4X-A
Cisco Catalyst 9300L-24T-4X-E
Cisco Catalyst C9300L-48P-4G
Cisco Catalyst C9300L-48P-4G
Cisco Catalyst C9300L-48P-4X
Cisco Catalyst C9300L-48P-4X
Cisco Catalyst C9300L-48T-4G
Cisco Catalyst C9300L-48T-4G
Cisco Catalyst C9300L-48T-4X
Cisco Catalyst C9300L-48T-4X
Cisco Catalyst 9300L Stack
Cisco Catalyst C9500-12Q-A
Cisco Catalyst 9500
Cisco Catalyst C9500-16X-A
Cisco Catalyst 9500 Series
Cisco Catalyst C9500-24Q-A
Cisco Catalyst C9500-24Q-E
Cisco Catalyst 9500-40X-A
Cisco Catalyst 9500-40X-E
Cisco cBR-8 Converged Broadband Routers

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this Cisco TrustSec (CTS) PAC provisioning module vulnerability?

    The vulnerability ID for this Cisco TrustSec (CTS) PAC provisioning module vulnerability is CVE-2019-12663.

  • What is the severity of CVE-2019-12663?

    The severity of CVE-2019-12663 is high with a CVSS score of 8.6.

  • How does this vulnerability affect Cisco IOS XE Software?

    This vulnerability affects Cisco IOS XE Software versions 16.6.4 and 16.12.1.

  • What is the impact of this vulnerability?

    The vulnerability could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition by causing a reload of the affected device.

  • How can I fix CVE-2019-12663?

    To fix CVE-2019-12663, update your Cisco IOS XE Software to a fixed software release.

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