CVE-2017-3856
Summary
| CVE | CVE-2017-3856 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-03-22 19:59:00 UTC |
| Updated | 2025-04-20 01:37:25 UTC |
| Description | A vulnerability in the web user interface of Cisco IOS XE 3.1 through 3.17 could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to insufficient resource handling by the affected software when the web user interface is under a high load. An attacker could exploit this vulnerability by sending a high number of requests to the web user interface of the affected software. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a denial of service (DoS) condition. To exploit this vulnerability, the attacker must have access to the management interface of the affected software, which is typically connected to a restricted management network. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS XE Software, if the web user interface of the software is enabled. By default, the web user interface is not enabled. Cisco Bug IDs: CSCup70353. |
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
Problem Types: CWE-399 | CWE-400 | CWE-399 CWE-399 Denial of Service Vulnerability
| 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 | 3.1.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.1.0sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.1.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.1.1sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.1.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.1.3as | 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 | 3.10.1xbs | 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 | 3.10.7s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10.8s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.10s | 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 | 3.11s | 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 | 3.12s | 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 | 3.13s | 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 | 3.14.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.14s | 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 | 3.15s | 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 | 3.16s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.1as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.17s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.1sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.0ja | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.0se | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.0sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.0xo | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.11sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.1se | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.1sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.1xo | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.2se | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.2sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.3se | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.3sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.4sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.5sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.6sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.7sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.8sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2.9sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2ja | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2se | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.2xo | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.0se | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.0sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.0sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.0xo | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.1se | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.1sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.1sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.1xo | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.2se | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.2sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.2xo | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.3se | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.4se | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3.5se | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3se | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.3xo | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.0as | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.0sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.0sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.1sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.1sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.2sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.3sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.4sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.5s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.5sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.6s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.6sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.7sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4.8sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4sg | All | All | All |
| Operating System | Cisco | Ios Xe | 3.4sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.0e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.0sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.1e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.1sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.2e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.2sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.3e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.3sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.4sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5.5sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.5sq | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.0e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.1e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.2ae | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.3e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.4e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.5ae | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.5be | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6.5e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.6s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.0bs | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.0e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.1e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.2e | 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 | 3.7.3e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.3s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7.4e | 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 | 3.7e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.7s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.0e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.0ex | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.0s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.1e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.1s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.2e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8.2s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8ex | All | All | All |
| Operating System | Cisco | Ios Xe | 3.8s | All | All | All |
| Operating System | Cisco | Ios Xe | 3.9.0e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.9.0s | 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 |
| Operating System | Cisco | Ios Xe | 3.9e | All | All | All |
| Operating System | Cisco | Ios Xe | 3.9s | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | Cisco IOS XE | affected Cisco IOS XE | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco IOS XE Software Web User Interface Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | tools.cisco.com | Vendor Advisory |
| Cisco IOS XE Web Interface Resource Handling Flaw Lets Remote Users Cause the Target System to Reload - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| Cisco IOS XE Software CVE-2017-3856 Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory, VDB Entry |
| 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.