CVE-2006-1927: Medium severity Cisco IOS XR vulnerability

Published Apr 20, 2006
·
Updated

Cisco IOS XR, when configured for Multi Protocol Label Switching (MPLS) and running on Cisco CRS-1 or Cisco 12000 series routers, allows remote attackers to cause a denial of service (Line card crash) via certain MPLS packets, as identified by Cisco bug ID CSCsc77475.

Affected Software

9 affected components
Cisco IOS XR=3.0.1
Cisco IOS XR=3.1.0
Cisco IOS XR=3.2
Cisco IOS XR=3.2.1
Cisco IOS XR=3.2.2
Cisco IOS XR=3.2.3
Cisco IOS XR=3.2.3
Cisco IOS XR=3.2.4
Cisco IOS XR=3.2.50

Event History

Apr 20, 2006
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2006-1927?

CVE-2006-1927 is classified as a denial of service vulnerability that can lead to line card crashes in affected Cisco devices.

2

How do I fix CVE-2006-1927?

To mitigate CVE-2006-1927, upgrade to a secure version of Cisco IOS XR that patches this vulnerability.

3

Which devices are affected by CVE-2006-1927?

CVE-2006-1927 affects Cisco routers configured for MPLS, specifically the Cisco CRS-1 and Cisco 12000 series running certain versions of IOS XR.

4

Can CVE-2006-1927 be exploited remotely?

Yes, CVE-2006-1927 can be exploited remotely through specially crafted MPLS packets.

5

What actions should I take if I am using an affected version for CVE-2006-1927?

If using an affected version, it is recommended to apply the necessary updates and implement security best practices to prevent exploitation.

Contact

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