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Cisco Secure Email and Web Manager External Authentication Bypass (cisco-sa-sma-esa-auth-bypass-66kEcxQD)

critical Nessus Plugin ID 163475

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Synopsis

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

Description

A vulnerability in the external authentication functionality of Cisco Secure Email and Web Manager could allow an unauthenticated, remote attacker to bypass authentication and log in to the web management interface of an affected device. This vulnerability is due to improper authentication checks when an affected device uses Lightweight Directory Access Protocol (LDAP) for external authentication. An attacker could exploit this vulnerability by entering a specific input on the login page of the affected device. A successful exploit could allow the attacker to gain unauthorized access to the web-based management interface of the affected device.

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

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvx88026

See Also

http://www.nessus.org/u?bf454769

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvx88026

Plugin Details

Severity: Critical

ID: 163475

File Name: cisco-sa-sma-auth-bypass-66kEcxQD.nasl

Version: 1.6

Type: combined

Family: CISCO

Published: 7/27/2022

Updated: 3/23/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2022-20798

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:/h:cisco:content_security_management_appliance, x-cpe:/o:cisco:secure_email_and_web_manager, cpe:/a:cisco:content_security_management_appliance

Required KB Items: Host/AsyncOS/Cisco Content Security Management Appliance/DisplayVersion, Host/AsyncOS/Cisco Content Security Management Appliance/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 6/15/2022

Vulnerability Publication Date: 6/15/2022

Reference Information

CVE: CVE-2022-20798