CVE-2017-6666 — MEDIUM (6.0)

Vulnerability 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.

CVSS Score

6.0

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Ios Xr	6.0.0

References

http://www.securityfocus.com/bid/98987Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038630
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2MitigationVendor Advisory
http://www.securityfocus.com/bid/98987Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038630
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2MitigationVendor Advisory

FAQ

What is CVE-2017-6666?

CVE-2017-6666 is a vulnerability with a CVSS score of 6.0 (MEDIUM). 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 ...

How severe is CVE-2017-6666?

CVE-2017-6666 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-6666?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xr.