CVE-2006-1927
Cisco IOS XR, when configured for Multi Protocol Label Switching (MPLS) and running on Cisco CRS...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2006-1927- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2006-1927- Updated
- 2026-11-02
EUVDEUVD-2006-1927 No score
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.
- Record
EUVD-2006-1927- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jx3v-hq2f-272g No score
Cisco IOS XR, when configured for Multi Protocol Label Switching (MPLS) and running on Cisco CRS...
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.
- Record
GHSA-jx3v-hq2f-272g- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-1927 is a medium vulnerability (CVSS 5.0) in Cisco Ios Xr, published April 20, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.80%, the 78th percentile. No source names a fixed version.
References
vupen.com/english/advisories/2006/1433
securitytracker.com/id?1015964
securityfocus.com/bid/17607
exchange.xforce.ibmcloud.com/vulnerabilities/25881
secunia.com/advisories/19740
cisco.com/warp/public/707/cisco-sa-20060419-xr.shtml
nvd.nist.gov/vuln/detail/CVE-2006-1927
github.com/advisories/GHSA-jx3v-hq2f-272g