Improper access control in Cisco AsyncOS for Secure Web Appliance - CVE-2023-20215

 

Improper access control in Cisco AsyncOS for Secure Web Appliance - CVE-2023-20215

Published: August 3, 2023


Vulnerability identifier: #VU78898
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-20215
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco AsyncOS for Secure Web Appliance

Detailed vulnerability description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper detection of malicious traffic when the traffic is encoded with a specific content format. A remote attacker can bypass an explicit block rule and receive traffic that should have been rejected by the device.


How to mitigate CVE-2023-20215

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources