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TI-2016-05496 Aliases CVE-2016-6414GHSA-j6mp-pxmq-5rv6

iox in Cisco IOS, possibly 15.6 and earlier, and IOS XE, possibly 3.18 and earlier…

Priority LOW 34CWE-78Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

iox in Cisco IOS, possibly 15.6 and earlier, and IOS XE, possibly 3.18 and earlier, allows local users to execute arbitrary IOx Linux commands on the guest OS via crafted iox command-line options, aka Bug ID CSCuz59223.

Why it matters now

EPSS 0.00421 36th 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 · 1

CPEVersionsRoleVendor
cpe:2.3:o:cisco:ios:15.6\(1\)t1:*:*:*:*:*:*:*15.6(1)t1VulnerableCisco
  • cpe:2.3:o:cisco:ios:15.6\(1\)t1:*:*:*:*:*:*:* Versions 15.6(1)t1 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-6414
  2. 2026-10-03 Alias added: GHSA-j6mp-pxmq-5rv6

References

Advisory 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