CVE-2022-20942

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-04 · updated 2026-06-17
Weakness: CWE-359

Description

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; from 14.3.0 before 14.3.0-023; before 14.2.0-217; from 14.3.0 before 14.3.0-115; before 12.0.5-011; from 12.5 before 12.5.4-005 — fixed in 12.0.5-011, 12.5.4-005, 14.0.2-012, 14.2.0-217, 14.2.1-015, 14.3.0-023

How to fix

Upgrade to a fixed version: Cisco Asyncos 12.0.5-011, 12.5.4-005, 14.0.2-012, 14.2.0-217. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2022-20942 or the next vulnerability affects your stack