Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2017-12229

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
29/09/2017
Last modified:
20/04/2025

Description

A vulnerability in the REST API of the web-based user interface (web UI) of Cisco IOS XE 3.1 through 16.5 could allow an unauthenticated, remote attacker to bypass authentication to the REST API of the web UI of the affected software. The vulnerability is due to insufficient input validation for the REST API of the affected software. An attacker could exploit this vulnerability by sending a malicious API request to an affected device. A successful exploit could allow the attacker to bypass authentication and gain access to the web UI of the affected software. This vulnerability affects Cisco devices that are running a vulnerable release of Cisco IOS XE Software, if the HTTP Server feature is enabled for the device. The newly redesigned, web-based administration UI was introduced in the Denali 16.2 Release of Cisco IOS XE Software. This vulnerability does not affect the web-based administration UI in earlier releases of Cisco IOS XE Software. Cisco Bug IDs: CSCuz46036.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 10.00 HIGH
Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
10.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios_xe:3.1.3as:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.2.0ja:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.2.1xo:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.4.7asg:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.6.5be:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.8.0ex:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.18.3vs:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.1.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.1.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.1.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.1.3a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.1.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.2.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.2.2a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.3.1a:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools