cbcvebase.
CVE-2026-20056
published 2026-02-04

CVE-2026-20056: A vulnerability in the Dynamic Vectoring and Streaming (DVS) Engine implementation of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an…

medium4CVSS 3.1
AVNACHPRNUINSCCNILAN
A vulnerability in the Dynamic Vectoring and Streaming (DVS) Engine implementation of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to bypass the anti-malware scanner, allowing malicious archive files to be downloaded. This vulnerability is due to improper handling of certain archive files. An attacker could exploit this vulnerability by sending a crafted archive file, which should be blocked, through an affected device. A successful exploit could allow the attacker to bypass the anti-malware scanner and download malware onto an end user workstation. The downloaded malware will not automatically execute unless the end user extracts and launches the malicious file.

Affected

61 ranges· showing 25
VendorProductVersion rangeFixed in
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance
ciscocisco_secure_web_appliance