CVE-2022-20952

Severity
5.3MEDIUM
EPSS
1.0%
top 22.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMar 1

Description

A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance, formerly known as Cisco Web Security Appliance (WSA), could allow an unauthenticated, remote attacker to bypass a configured rule, thereby allowing traffic onto a network that should have been blocked. This vulnerability exists because malformed, encoded traffic is not properly detected. An attacker could exploit this vulnerability by connecting through an affected device to a malicious server and r

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

CVEListV5cisco/cisco_secure_web_appliance13 versions+12
NVDcisco/asyncos11.814.0.4+1

🔴Vulnerability Details

2
GHSA
GHSA-36pr-655q-f5wg: A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance, formerly known as Cisco Web Security Appliance (WSA)2023-03-01
CVEList
CVE-2022-20952: A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance, formerly known as Cisco Web Security Appliance (WSA)2023-02-16

📋Vendor Advisories

1
Cisco
Cisco Secure Web Appliance Content Encoding Filter Bypass Vulnerabilities2022-10-05
CVE-2022-20952 (MEDIUM CVSS 5.3) | A vulnerability in the scanning eng | cvebase.io