CVE-2019-12669

Cisco IOS and IOS XE Software Change of Authorization Denial of Service Vulnerability

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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.

Una vulnerabilidad en el código Change of Authorization (CoA) RADIUS de Cisco TrustSec, una funcionalidad dentro del Software Cisco IOS XE, podría permitir a un atacante remoto no autenticado causar una condición de denegación de servicio (DoS) sobre un dispositivo afectado. La vulnerabilidad es debido al manejo inapropiado de un paquete malformado. Un atacante podría explotar esta vulnerabilidad mediante el envío de un paquete malformado hacia un dispositivo afectado. Una explotación con éxito podría permitir al atacante causar una condición DoS en el dispositivo afectado.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2019-06-04 CVE Reserved
2019-09-25 CVE Published
2023-03-07 EPSS Updated
2024-11-21 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-tsec	2020-10-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cisco Search vendor "Cisco"	Ios Search vendor "Cisco" for product "Ios"	15.2\(3\)e Search vendor "Cisco" for product "Ios" and version "15.2\(3\)e"	-	Affected	in	Cisco Search vendor "Cisco"	Catalyst 3560 Search vendor "Cisco" for product "Catalyst 3560"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Search vendor "Cisco" for product "Ios"	15.2\(3\)e Search vendor "Cisco" for product "Ios" and version "15.2\(3\)e"	-	Affected	in	Cisco Search vendor "Cisco"	Catalyst 3560-e Search vendor "Cisco" for product "Catalyst 3560-e"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Search vendor "Cisco" for product "Ios"	15.2\(3\)e Search vendor "Cisco" for product "Ios" and version "15.2\(3\)e"	-	Affected	in	Cisco Search vendor "Cisco"	Catalyst 3560-x Search vendor "Cisco" for product "Catalyst 3560-x"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Search vendor "Cisco" for product "Ios"	15.2\(3\)e5 Search vendor "Cisco" for product "Ios" and version "15.2\(3\)e5"	-	Affected	in	Cisco Search vendor "Cisco"	Catalyst 3560 Search vendor "Cisco" for product "Catalyst 3560"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Search vendor "Cisco" for product "Ios"	15.2\(3\)e5 Search vendor "Cisco" for product "Ios" and version "15.2\(3\)e5"	-	Affected	in	Cisco Search vendor "Cisco"	Catalyst 3560-e Search vendor "Cisco" for product "Catalyst 3560-e"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Search vendor "Cisco" for product "Ios"	15.2\(3\)e5 Search vendor "Cisco" for product "Ios" and version "15.2\(3\)e5"	-	Affected	in	Cisco Search vendor "Cisco"	Catalyst 3560-x Search vendor "Cisco" for product "Catalyst 3560-x"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Search vendor "Cisco" for product "Ios"	16.11.1 Search vendor "Cisco" for product "Ios" and version "16.11.1"	-	Affected	in	Cisco Search vendor "Cisco"	Catalyst 3560 Search vendor "Cisco" for product "Catalyst 3560"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Search vendor "Cisco" for product "Ios"	16.11.1 Search vendor "Cisco" for product "Ios" and version "16.11.1"	-	Affected	in	Cisco Search vendor "Cisco"	Catalyst 3560-e Search vendor "Cisco" for product "Catalyst 3560-e"	-	-	Safe
Cisco Search vendor "Cisco"	Ios Search vendor "Cisco" for product "Ios"	16.11.1 Search vendor "Cisco" for product "Ios" and version "16.11.1"	-	Affected	in	Cisco Search vendor "Cisco"	Catalyst 3560-x Search vendor "Cisco" for product "Catalyst 3560-x"	-	-	Safe