CVE-2022-20798

Critical

Description

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductCisco Email Security Appliance
PublishedJun 15, 2022
First seenJun 15, 2022

How to fix

Update
  • cisco email_security_appliance14.0.1-033 or later
  • cisco secure_email_and_web_manager13.0.0-277, 13.6.2-090, 13.8.1-090, 14.0.0-418, 14.1.0-250 or later

Affected products

ProductAffected versionsFixed in
cisco email_security_appliance14.0 ≤ v < 14.0.1-033, 7.1.514.0.1-033
cisco secure_email_and_web_manager13.0 ≤ v < 13.0.0-277, 13.6 ≤ v < 13.6.2-090, 13.8 ≤ v < 13.8.1-090, 14.0 ≤ v < 14.0.0-418, 14.1 ≤ v < 14.1.0-25013.0.0-277, 13.6.2-090, 13.8.1-090, 14.0.0-418, 14.1.0-250

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