CVE-2006-1927

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-04-20 · updated 2026-06-16

Description

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 products

Cisco IOS XR Software: 3.0.1, 3.1.0, 3.2, 3.2.1, 3.2.2, 3.2.3 (+2)

References

http://secunia.com/advisories/19740
http://securitytracker.com/id?1015964
http://www.cisco.com/warp/public/707/cisco-sa-20060419-xr.shtml
http://www.securityfocus.com/bid/17607
http://www.vupen.com/english/advisories/2006/1433
https://exchange.xforce.ibmcloud.com/vulnerabilities/25881
http://secunia.com/advisories/19740
http://securitytracker.com/id?1015964
http://www.cisco.com/warp/public/707/cisco-sa-20060419-xr.shtml
http://www.securityfocus.com/bid/17607
http://www.vupen.com/english/advisories/2006/1433
https://exchange.xforce.ibmcloud.com/vulnerabilities/25881

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