CVE-2022-20798 CRITICAL

CVE-2022-20798: Cisco Email Security Appliance and Cisco Secure Email and Web Manager External Authentication Bypass Vulnerability

Vendor Cisco
Product Cisco Email Security Appliance (ESA)
Weakness CWE-287 · Improper authentication
Published June 15, 2022
Last update November 1, 2024

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A vulnerability in the external authentication functionality of Cisco Secure Email and Web Manager, formerly known as Cisco Security Management Appliance (SMA), and Cisco Email Security Appliance (ESA) 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.

Key dates

02Disclosure timeline

June 15, 2022 CVE published
November 1, 2024 Record updated

Related vulnerabilities

04Related CVE