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CVE-2011-4007

UnknownEPSS 1.20%

Last modified

CVE-2011-4007 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.20% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
1.20%

64.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos15.0
CiscoIos15.1
CiscoIos Xe3.1.0s
CiscoIos Xe3.1.0sg
CiscoIos Xe3.1.1s
CiscoIos Xe3.1.1sg
CiscoIos Xe3.1.2s
CiscoIos Xe3.1.3s
CiscoIos Xe3.1.4s
CiscoIos Xe3.2.0s
CiscoIos Xe3.2.0sg
CiscoIos Xe3.2.1s
CiscoIos Xe3.2.1sg
CiscoIos Xe3.2.2s
CiscoIos Xe3.3.0s
CiscoIos Xe3.3.1s
CiscoIos Xe3.3.2s
CiscoIos Xe3.3.3s
CiscoIos Xe3.4.0s
CiscoIos Xe3.4.1s
CiscoIos Xe3.5.0s

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-4007?
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.
How severe is CVE-2011-4007?
Severity scoring for CVE-2011-4007 is pending analysis. The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.
How do I fix CVE-2011-4007?
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-2011-4007?

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

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Source: NVD / NIST