TI-2016-05471 Aliases CVE-2016-6384 GHSA-5ccc-frc7-5rrg

Cisco IOS 12.2 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.17 and 16.2…

LOW 39CWE-20Published 2016-10-05 · Updated 2024-08-06

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Cisco IOS 12.2 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.17 and 16.2 allow remote attackers to cause a denial of service (device reload) via crafted fields in an H.323 message, aka Bug ID CSCux04257.

Why it matters now

EPSS 0.03717 89th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:cisco:ios::::::::	12.2 – 12.4; 15.0 – 15.6	Vulnerable	Cisco
cpe:2.3:o:cisco:ios_xe::::::::	3.1 – 3.17	Vulnerable	Cisco
cpe:2.3:o:cisco:ios_xe:16.2:::::::*	16.2	Vulnerable	Cisco

cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* Versions 12.2 – 12.4; 15.0 – 15.6 Vulnerable ·Cisco
cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* Versions 3.1 – 3.17 Vulnerable ·Cisco
cpe:2.3:o:cisco:ios_xe:16.2:*:*:*:*:*:*:* Versions 16.2 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2016-6384
2026-10-03 Alias added: GHSA-5ccc-frc7-5rrg
2026-10-31 EPSS moved to the 50th–90th percentile
2026-11-01 Priority changed: MEDIUM → LOW

References

Advisory 1

20160928 Cisco IOS and IOS XE Software H.323 Message Validation Denial of Service Vulnerability

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