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CVE Record

CVE-2011-4007: Cisco IOS 15.0 and 15.1 and IOS XE 3.x do not properly handle the "set mpls experimental imposition" comman...

Cisco IOS 15.0 and 15.1 and IOS XE 3.x do not properly handle the "set mpls experimental imposition" command, which allows remote attackers to cause a denial of service (device crash) via network traffic that triggers (1) fragmentation or (2) reassembly, aka Bug ID CSCtr56576.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This CVE describes a Cisco router software crash condition. Certain Cisco IOS and IOS XE releases mishandle an MPLS configuration command, allowing network traffic to trigger a device crash. The business impact is availability loss, especially on routing infrastructure carrying MPLS traffic. Exposure is most likely on legacy Cisco routing platforms running IOS 15.0/15.1 or IOS XE 3.x with MPLS policy using the named command. The provided CVE data does not enumerate specific platforms, fixed releases, or CPEs. Prioritize if legacy Cisco MPLS routers remain in production or support critical links. A crash on routing infrastructure can cause service interruption, but source evidence lacks CVSS scoring, platform detail, fixed-version detail, and active exploitation confirmation. Mitigation focus: Inventory Cisco IOS 15.0, 15.1, and IOS XE 3.x routing devices.; Check configurations for use of "set mpls experimental imposition".; Review Cisco guidance and Bug ID CSCtr56576 for affected releases and fixes..

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Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
1Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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