Vulnerability Monitor

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CVE-2025-20183

A vulnerability in a policy-based Cisco Application Visibility and Control (AVC) implementation of Cisco AsyncOS Software for Cisco Secure Web Appliance could allow an unauthenticated, remote attacker to evade the antivirus scanner and download a malicious file onto an endpoint.  The vulnerability is due to improper handling of a crafted range request header. An attacker could exploit this vulnerability by sending an HTTP request with a crafted range request header through the affected device. A successful exploit could allow the attacker to evade the antivirus scanner and download malware onto the endpoint without detection by Cisco Secure Web Appliance.

Published

2025-02-05T17:15:25.527

Last Modified

2025-08-05T19:28:30.367

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 5.8 (MEDIUM)

Weaknesses
  • Type: Primary
    CWE-20
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco asyncos 11.8.0-414 Yes
Operating System cisco asyncos 11.8.0-429 Yes
Operating System cisco asyncos 11.8.0-453 Yes
Operating System cisco asyncos 11.8.1-023 Yes
Operating System cisco asyncos 11.8.3-018 Yes
Operating System cisco asyncos 11.8.3-021 Yes
Operating System cisco asyncos 11.8.4-004 Yes
Operating System cisco asyncos 12.0.1-268 Yes
Operating System cisco asyncos 12.0.1-334 Yes
Operating System cisco asyncos 12.0.2-004 Yes
Operating System cisco asyncos 12.0.2-012 Yes
Operating System cisco asyncos 12.0.3-005 Yes
Operating System cisco asyncos 12.0.3-007 Yes
Operating System cisco asyncos 12.0.4-002 Yes
Operating System cisco asyncos 12.0.5-011 Yes
Operating System cisco asyncos 12.5.1-011 Yes
Operating System cisco asyncos 12.5.1-043 Yes
Operating System cisco asyncos 12.5.2-007 Yes
Operating System cisco asyncos 12.5.2-011 Yes
Operating System cisco asyncos 12.5.3-002 Yes
Operating System cisco asyncos 12.5.4-005 Yes
Operating System cisco asyncos 12.5.4-011 Yes
Operating System cisco asyncos 12.5.5-004 Yes
Operating System cisco asyncos 12.5.5-005 Yes
Operating System cisco asyncos 12.5.5-008 Yes
Operating System cisco asyncos 12.5.6-008 Yes
Operating System cisco asyncos 14.0.1-014 Yes
Operating System cisco asyncos 14.0.1-040 Yes
Operating System cisco asyncos 14.0.1-053 Yes
Operating System cisco asyncos 14.0.1-503 Yes
Operating System cisco asyncos 14.0.2-012 Yes
Operating System cisco asyncos 14.0.3-014 Yes
Operating System cisco asyncos 14.0.4-005 Yes
Operating System cisco asyncos 14.0.5-007 Yes
Operating System cisco asyncos 14.1.0-032 Yes
Operating System cisco asyncos 14.1.0-041 Yes
Operating System cisco asyncos 14.1.0-047 Yes
Operating System cisco asyncos 14.5.0-498 Yes
Operating System cisco asyncos 14.5.0-537 Yes
Operating System cisco asyncos 14.5.0-673 Yes
Operating System cisco asyncos 14.5.1-008 Yes
Operating System cisco asyncos 14.5.1-016 Yes
Operating System cisco asyncos 14.5.1-510 Yes
Operating System cisco asyncos 14.5.1-607 Yes
Operating System cisco asyncos 14.5.2-011 Yes
Operating System cisco asyncos 14.5.3-033 Yes
Operating System cisco asyncos 15.0.0-322 Yes
Operating System cisco asyncos 15.0.0-355 Yes
Operating System cisco asyncos 15.1.0-287 Yes
Operating System cisco asyncos 15.2.0-116 Yes
Operating System cisco asyncos 15.2.0-164 Yes
Application cisco secure_web_appliance_virtual_s1000v - No
Application cisco secure_web_appliance_virtual_s100v - No
Application cisco secure_web_appliance_virtual_s300v - No
Application cisco secure_web_appliance_virtual_s600v - No
Hardware cisco secure_web_appliance_s196 - No
Hardware cisco secure_web_appliance_s396 - No
Hardware cisco secure_web_appliance_s696 - No
References