Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2017-6666

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
13/06/2017
Last modified:
20/04/2025

Description

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.

Impact

Vector 3.x
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.00 MEDIUM
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
6.00
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:M/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 1.90 LOW
Vector: AV:L/AC:M/Au:N/C:N/I:N/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
1.90
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios_xr:6.0.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.0.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.0_base:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.1.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.1.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.1.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.1.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.2.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:6.2.1:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools