Cisco IOS XE Software Web UI Authorization Bypass (cisco-sa-webui-auth-bypass-6j2BYUc7)

high Nessus Plugin ID 141083

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Synopsis

The remote device is missing a vendor-supplied security patch (cisco-sa-webui-auth-bypass-6j2BYUc7)

Description

According to its self-reported version, Cisco IOS XE Software is affected by a Web UI authorization bypass vulnerability due to insufficient authorization of web UI access requests. An authenticated, remote attacker could exploit this vulnerability by sending a crafted HTTP request to the web UI. A successful exploit could allow the attacker to utilize parts of the web UI for which they are not authorized. This could allow a Read-Only user to perform actions of an Admin user. Please see the included Cisco BID and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCva31948

Plugin Details

Severity: High

ID: 141083

File Name: cisco-sa-webui-auth-bypass-6j2BYUc7-iosxe.nasl

Version: 1.16

Type: combined

Family: CISCO

Published: 9/30/2020

Updated: 5/3/2024

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-2020-3400

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: Host/Cisco/IOS-XE/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 9/24/2020

Vulnerability Publication Date: 9/24/2020

Reference Information

CVE: CVE-2020-3400

CWE: 862

CISCO-SA: cisco-sa-webui-auth-bypass-6j2BYUc7

IAVA: 2020-A-0439-S

CISCO-BUG-ID: CSCva31948

Detections

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