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Cisco Secure Web Appliance Range Request Bypass (cisco-sa-swa-range-bypass-2BsEHYSu)

medium Nessus Plugin ID 215124

Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, Cisco Secure Web Appliance Range Request Bypass is affected by a vulnerability.

 - 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. (CVE-2025-20183)

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwk58287

See Also

http://www.nessus.org/u?302de8d0

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwk58287

Plugin Details

Severity: Medium

ID: 215124

File Name: cisco-sa-swa-range-bypass-2BsEHYSu.nasl

Version: 1.1

Type: combined

Family: CISCO

Published: 2/7/2025

Updated: 2/7/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS Score Source: CVE-2025-20183

CVSS v3

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 5.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:secure_web_appliance_range_request_bypass

Required KB Items: Host/AsyncOS/Cisco Web Security Appliance/DisplayVersion, Host/AsyncOS/Cisco Web Security Appliance/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 2/5/2025

Vulnerability Publication Date: 2/5/2025

Reference Information

CVE: CVE-2025-20183

CWE: 20

CISCO-SA: cisco-sa-swa-range-bypass-2BsEHYSu

IAVA: 2025-A-0082

CISCO-BUG-ID: CSCwk58287