Detections
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HCL BigFix Remote Control <= 10.1.0.0442 Multiple Vulnerabilities
high Nessus Plugin ID 318683
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Synopsis
An application running on the remote host is affected by multiple vulnerabilities.Description
The version of HCL BigFix Remote Control running on the remote host is 10.1.0.0442 or earlier. It is, therefore, affected by multiple vulnerabilities:- A misconfigured Content Security Policy (CSP) in HCL BigFix Remote Control Server WebUI (versions 10.1.0.0442 and earlier) fails to define directives without fallbacks, allowing attackers to bypass intended security restrictions and load unauthorized resources. (CVE-2026-21785)
- Netty incorrectly parses quoted strings in HTTP/1.1 chunked transfer encoding extension values, enabling request smuggling attacks. (CVE-2026-33870)
- Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.132.Final and 4.2.10.Final, a remote user can trigger a Denial of Service (DoS) against a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server's lack of a limit on the number of CONTINUATION frames, combined with a bypass of existing size-based mitigations using zero-byte frames, allows an user to cause excessive CPU consumption with minimal bandwidth, rendering the server unresponsive. (CVE-2026-33871)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Upgrade to HCL BigFix Remote Control 10.1 Fix Pack 5 or later.See Also
Plugin Details
Severity: High
ID: 318683
File Name: hcl_bigfix_remote_control_kb0130581.nasl
Version: 1.3
Type: Remote
Family: CGI abuses
Published: 6/4/2026
Updated: 6/8/2026
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.1
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2026-33871
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.7
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.7
Threat Score: 8.7
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Vulnerability Information
CPE: cpe:/a:ibm:tivoli_remote_control, cpe:/a:ibm:bigfix_remote_control
Required KB Items: installed_sw/IBM BigFix Remote Control
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 5/27/2026
Vulnerability Publication Date: 5/27/2026