CVE-2006-1928

Name: CVE-2006-1928
Creator: NVD / NIST
Published: 2006-04-20T18:06:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.81%

Last modified Jun 16, 2026

CVE-2006-1928 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

1.81%

75.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
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	3.2.4
Cisco	Ios Xr	3.2.50

References

Timeline

Published: Apr 20, 2006
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2006-1928?

How severe is CVE-2006-1928?

Severity scoring for CVE-2006-1928 is pending analysis. The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.

How do I fix CVE-2006-1928?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2006-1928?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST