CVE-2017-6666

Severity Score

6.0

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability in the forwarding component of Cisco IOS XR Software for Cisco Network Convergence System (NCS) 5500 Series Routers could allow an authenticated, local attacker to cause the router to stop forwarding data traffic across Traffic Engineering (TE) tunnels, resulting in a denial of service (DoS) condition. More Information: CSCvd16665. Known Affected Releases: 6.2.11.BASE. Known Fixed Releases: 6.1.3 6.1.2 6.3.1.8i.BASE 6.2.11.8i.BASE 6.2.2.9i.BASE 6.1.32.11i.BASE 6.1.31.10i.BASE 6.1.4.3i.BASE.

Una vulnerabilidad en el componente de reenvío del software IOS XR de Cisco para Enrutadores Network Convergence System (NCS) 5500 Series de Cisco, podría permitir a un atacante local identificado causar que el router deje de reenviar el tráfico de datos por medio túneles de Ingeniería de Tráfico (TE), resultando en una condición de denegación de servicio (DoS). Más información: CSCvd16665. Versiones Afectadas Conocidas: 6.2.11.BASE. Versiones Corregidas Conocidas: 6.1.3 6.1.2 6.3.1.8i.BASE 6.2.11.8i.BASE 6.2.2.9i. BASE 6.1.32.11i.BASE 6.1.31.10i.BASE 6.1.4.3i.BASE.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-03-09 CVE Reserved
2017-06-13 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (3)

URL	Tag	Source
http://www.securityfocus.com/bid/98987	Third Party Advisory
http://www.securitytracker.com/id/1038630	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-ncs	2019-10-03

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 Xr Search vendor "Cisco" for product "Ios Xr"				6.0.0 Search vendor "Cisco" for product "Ios Xr" and version "6.0.0"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				6.0.1 Search vendor "Cisco" for product "Ios Xr" and version "6.0.1"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				6.0_base Search vendor "Cisco" for product "Ios Xr" and version "6.0_base"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				6.1.0 Search vendor "Cisco" for product "Ios Xr" and version "6.1.0"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				6.1.1 Search vendor "Cisco" for product "Ios Xr" and version "6.1.1"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				6.1.2 Search vendor "Cisco" for product "Ios Xr" and version "6.1.2"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				6.1.3 Search vendor "Cisco" for product "Ios Xr" and version "6.1.3"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				6.2.0 Search vendor "Cisco" for product "Ios Xr" and version "6.2.0"		-		Affected
Cisco Search vendor "Cisco"		Ios Xr Search vendor "Cisco" for product "Ios Xr"				6.2.1 Search vendor "Cisco" for product "Ios Xr" and version "6.2.1"		-		Affected