Cisco IOS XE Software REST API Authorization Bypass (cisco-sa-20180328-rest)

high Nessus Plugin ID 131729

Language:

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, Cisco IOS XE Software is affected by an authorization bypass vulnerability in the REST API due to insufficient authorization checks for requests that are sent to the REST API of the affected software. An authenticated, remote attacker can exploit this, by sending a malicious request via the REST API, in order to selectively bypass authorization checks for the REST API and use the API to perform privileged actions on an affected device.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID(s) CSCuz56428.

Plugin Details

Severity: High

ID: 131729

File Name: cisco-sa-20180328-rest.nasl

Version: 1.7

Type: combined

Family: CISCO

Published: 12/6/2019

Updated: 5/3/2024

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS Score Source: CVE-2018-0195

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios_xe

Required KB Items: Settings/ParanoidReport, Host/Cisco/IOS-XE/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 3/28/2018

Vulnerability Publication Date: 3/28/2018

Reference Information

CVE: CVE-2018-0195

BID: 103557

CISCO-SA: cisco-sa-20180328-rest

CISCO-BUG-ID: CSCuz56428

Detections

Analytics