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CVE-2026-20056

Medienbericht
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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HerstellerCisco
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Produkt Cisco Secure Web Appliance
Default Statusunknown
Version 11.8.0-453
Status affected
Version 12.5.3-002
Status affected
Version 12.0.3-007
Status affected
Version 12.0.3-005
Status affected
Version 14.1.0-032
Status affected
Version 14.1.0-047
Status affected
Version 14.1.0-041
Status affected
Version 12.0.4-002
Status affected
Version 14.0.2-012
Status affected
Version 11.8.0-414
Status affected
Version 12.0.1-268
Status affected
Version 11.8.1-023
Status affected
Version 11.8.3-021
Status affected
Version 11.8.3-018
Status affected
Version 12.5.1-011
Status affected
Version 11.8.4-004
Status affected
Version 12.5.2-007
Status affected
Version 12.5.2-011
Status affected
Version 14.5.0-498
Status affected
Version 12.5.4-005
Status affected
Version 12.5.4-011
Status affected
Version 12.0.5-011
Status affected
Version 14.0.3-014
Status affected
Version 12.5.5-004
Status affected
Version 12.5.5-005
Status affected
Version 12.5.5-008
Status affected
Version 14.0.4-005
Status affected
Version 14.5.1-008
Status affected
Version 14.5.1-016
Status affected
Version 15.0.0-355
Status affected
Version 15.0.0-322
Status affected
Version 12.5.6-008
Status affected
Version 15.1.0-287
Status affected
Version 14.5.2-011
Status affected
Version 15.2.0-116
Status affected
Version 14.0.5-007
Status affected
Version 15.2.0-164
Status affected
Version 14.5.1-510
Status affected
Version 12.0.2-012
Status affected
Version 12.0.2-004
Status affected
Version 14.5.1-607
Status affected
Version 14.5.3-033
Status affected
Version 15.0.1-004
Status affected
Version 15.2.1-011
Status affected
Version 14.5.0-673
Status affected
Version 14.5.0-537
Status affected
Version 12.0.1-334
Status affected
Version 14.0.1-503
Status affected
Version 14.0.1-053
Status affected
Version 11.8.0-429
Status affected
Version 14.0.1-040
Status affected
Version 14.0.1-014
Status affected
Version 12.5.1-043
Status affected
Version 15.2.2-009
Status affected
Version 15.5.0-566
Status affected
Version 15.2.3-007
Status affected
Version 15.5.0-574
Status affected
Version 15.5.0-710
Status affected
Version 15.2.4-022
Status affected
Version 15.5.1-002
Status affected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.02% 0.055
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
psirt@cisco.com 4 2.2 1.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
CWE-494 Download of Code Without Integrity Check

The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code.