cvedb.io
CVE-2026-20056
MEDIUM · CVSS 4
EPSS exploitation probability: 0%
Published 2026-02-04T17:16:13.927 · Last modified 2026-06-17T10:16:59.583

Summary

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. 

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.