CVE-2022-20942: Cisco Asyncos

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco Email Security Appliance (ESA), Cisco Secure Email and Web Manager, and Cisco Secure Web Appliance, formerly known as Cisco Web Security Appliance (WSA), could allow an authenticated, remote attacker to retrieve sensitive information from an affected device, including user credentials. This vulnerability is due to weak enforcement of back-end authorization checks. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to obtain confidential data that is stored on the affected device.

Affected products

  • Cisco Asyncos: before 14.2.1-015 (fixed in 14.2.1-015); from 14.3.0, before 14.3.0-023 (fixed in 14.3.0-023); before 14.2.0-217 (fixed in 14.2.0-217); from 14.3.0, before 14.3.0-115 (fixed in 14.3.0-115); before 12.0.5-011 (fixed in 12.0.5-011); from 12.5, before 12.5.4-005 (fixed in 12.5.4-005); …

Published 2022-11-04. Last modified 2026-06-17.