CVE-2023-20215

CWE-2024 documents4 sources
Severity
5.3MEDIUM
EPSS
0.1%
top 77.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedAug 3
Latest updateAug 4

Description

A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to bypass a configured rule, allowing traffic onto a network that should have been blocked. This vulnerability is due to improper detection of malicious traffic when the traffic is encoded with a specific content format. An attacker could exploit this vulnerability by using an affected device to connect to a malicious server and receiving crafted HTTP r

CVSS vector

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

Affected Packages2 packages

CVEListV5cisco/cisco_secure_web_appliance21 versions+20
NVDcisco/asyncos22 versions+21

🔴Vulnerability Details

2
GHSA
GHSA-4qcp-whvm-5mwc: A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to by2023-08-04
CVEList
CVE-2023-20215: A vulnerability in the scanning engines of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to by2023-08-03

📋Vendor Advisories

1
Cisco
Cisco Secure Web Appliance Content Encoding Filter Bypass Vulnerability2023-08-02
CVE-2023-20215 (MEDIUM CVSS 5.3) | A vulnerability in the scanning eng | cvebase.io