CVE-2016-6378
Summary
| CVE | CVE-2016-6378 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-10-05 20:59:01 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | Cisco IOS XE 3.1 through 3.17 and 16.1 through 16.2 allows remote attackers to cause a denial of service (device reload) via crafted ICMP packets that require NAT, aka Bug ID CSCuw85853. |
Risk And Classification
Primary CVSS: v3.0 7.5 HIGH from [email protected]
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.007430000 probability, percentile 0.730970000 (date 2026-05-07)
Problem Types: CWE-399 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:N/AC:L/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Cisco | Ios Xe | 16.1.3 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.1.4 | All | All | All |
| Operating System | Cisco | Ios Xe | 16.2.1 | All | All | All |
| Operating System | Cisco | Ios Xe | 3.1.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.1.4as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.1.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.2ts | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.5s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.6s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.11.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.11.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.11.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.11.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.11.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.0as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.12.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.0as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.2as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.13.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.1cs | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.15.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.0cs | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.1as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.16.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.5s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.6s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.0bs | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.2ts | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.4as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.5s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.6s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.7s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.9.0as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.9.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.9.1as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.9.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.9.2s | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco IOS XE Software CVE-2016-6378 Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| Cisco IOS/IOS XE Multiple Flaws Let Remote Users Cause the Target System to Reload - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| Cisco IOS XE Software NAT Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | tools.cisco.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.