Vulnerability Monitor

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CVE-2006-1928

Cisco IOS XR, when configured for Multi Protocol Label Switching (MPLS) and running on Cisco CRS-1 routers, allows remote attackers to cause a denial of service (Modular Services Cards (MSC) crash or "MPLS packet handling problems") via certain MPLS packets, as identified by Cisco bug IDs (1) CSCsd15970 and (2) CSCsd55531.

Security Impact Summary

CVE-2006-1928 is a security vulnerability that . Impacting 1 product from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2006, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2006-04-20T18:06:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	cisco	ios_xr	3.0.1	Yes
Operating System	cisco	ios_xr	3.1.0	Yes
Operating System	cisco	ios_xr	3.2	Yes
Operating System	cisco	ios_xr	3.2.1	Yes
Operating System	cisco	ios_xr	3.2.2	Yes
Operating System	cisco	ios_xr	3.2.3	Yes
Operating System	cisco	ios_xr	3.2.3	Yes
Operating System	cisco	ios_xr	3.2.4	Yes
Operating System	cisco	ios_xr	3.2.50	Yes

References

http://secunia.com/advisories/19740 ([email protected])
http://securitytracker.com/id?1015964 ([email protected])
http://www.cisco.com/warp/public/707/cisco-sa-20060419-xr.shtml ([email protected])
http://www.osvdb.org/24811 ([email protected])
http://www.securityfocus.com/bid/17607 ([email protected])
http://www.vupen.com/english/advisories/2006/1433 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/25881 ([email protected])
http://secunia.com/advisories/19740 (af854a3a-2127-422b-91ae-364da2661108)
http://securitytracker.com/id?1015964 (af854a3a-2127-422b-91ae-364da2661108)
http://www.cisco.com/warp/public/707/cisco-sa-20060419-xr.shtml (af854a3a-2127-422b-91ae-364da2661108)
http://www.osvdb.org/24811 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/17607 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2006/1433 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/25881 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.