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TI-2011-03546 Aliases CVE-2011-4007GHSA-wpxw-h4r4-3xjx

Cisco IOS 15.0 and 15.1 and IOS XE 3.x do not properly handle the "set mpls experimental…

Priority LOW 27CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · None · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01189 68th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 21

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*15.0VulnerableCisco
cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*15.1VulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.1.0s:*:*:*:*:*:*:*3.1.0sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.1.0sg:*:*:*:*:*:*:*3.1.0sgVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.1.1s:*:*:*:*:*:*:*3.1.1sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.1.1sg:*:*:*:*:*:*:*3.1.1sgVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.1.2s:*:*:*:*:*:*:*3.1.2sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.1.3s:*:*:*:*:*:*:*3.1.3sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.1.4s:*:*:*:*:*:*:*3.1.4sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.2.0s:*:*:*:*:*:*:*3.2.0sVulnerableCisco
  • cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:* Versions 15.0 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.1.0s:*:*:*:*:*:*:* Versions 3.1.0s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.1.0sg:*:*:*:*:*:*:* Versions 3.1.0sg Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.1.1s:*:*:*:*:*:*:* Versions 3.1.1s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.1.1sg:*:*:*:*:*:*:* Versions 3.1.1sg Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.1.2s:*:*:*:*:*:*:* Versions 3.1.2s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.1.3s:*:*:*:*:*:*:* Versions 3.1.3s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.1.4s:*:*:*:*:*:*:* Versions 3.1.4s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.2.0s:*:*:*:*:*:*:* Versions 3.2.0s Vulnerable ·Cisco
Show 11 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios_xe:3.2.0sg:*:*:*:*:*:*:*3.2.0sgVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.2.1s:*:*:*:*:*:*:*3.2.1sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.2.1sg:*:*:*:*:*:*:*3.2.1sgVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.2.2s:*:*:*:*:*:*:*3.2.2sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.3.0s:*:*:*:*:*:*:*3.3.0sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.3.1s:*:*:*:*:*:*:*3.3.1sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.3.2s:*:*:*:*:*:*:*3.3.2sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.3.3s:*:*:*:*:*:*:*3.3.3sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.4.0s:*:*:*:*:*:*:*3.4.0sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.4.1s:*:*:*:*:*:*:*3.4.1sVulnerableCisco
cpe:2.3:o:cisco:ios_xe:3.5.0s:*:*:*:*:*:*:*3.5.0sVulnerableCisco
  • cpe:2.3:o:cisco:ios_xe:3.2.0sg:*:*:*:*:*:*:* Versions 3.2.0sg Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.2.1s:*:*:*:*:*:*:* Versions 3.2.1s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.2.1sg:*:*:*:*:*:*:* Versions 3.2.1sg Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.2.2s:*:*:*:*:*:*:* Versions 3.2.2s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.3.0s:*:*:*:*:*:*:* Versions 3.3.0s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.3.1s:*:*:*:*:*:*:* Versions 3.3.1s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.3.2s:*:*:*:*:*:*:* Versions 3.3.2s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.3.3s:*:*:*:*:*:*:* Versions 3.3.3s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.4.0s:*:*:*:*:*:*:* Versions 3.4.0s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.4.1s:*:*:*:*:*:*:* Versions 3.4.1s Vulnerable ·Cisco
  • cpe:2.3:o:cisco:ios_xe:3.5.0s:*:*:*:*:*:*:* Versions 3.5.0s Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-4007
  2. 2026-10-03 Alias added: GHSA-wpxw-h4r4-3xjx

References

Other 1

  • TI-2018-00138 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-09019 Improper input validation in Cisco IOS and IOS XE KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-02977 Improper input validation in Cisco IOS and IOS XE Software KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-00135 Memory corruption in Cisco IOS, IOS XE, and IOS XR KEVCVSS 3.1HIGH 8.8
  • TI-2017-04499 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
  • TI-2017-04498 Memory corruption in Cisco IOS KEVCVSS 3.1HIGH 8.8
See all 617 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences