B&R Systems Diagnostics Manager Improper Neutralization of Input During Web Page Generation (CVE-2022-4286)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(503272);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/02/12");

  script_cve_id("CVE-2022-4286");
  script_xref(name:"ICSA", value:"23-068-02");

  script_name(english:"B&R Systems Diagnostics Manager Improper Neutralization of Input During Web Page Generation (CVE-2022-4286)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A reflected cross-site scripting (XSS) vulnerability exists in System
Diagnostics Manager of B&R Automation Runtime versions >=3.00 and
<=C4.93 that enables a remote attacker to execute arbitrary JavaScript
in the context of the users browser session.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://www.br-automation.com/downloads_br_productcatalogue/assets/1675607299099-en-original-1.0.pdf
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?2081b9ab");
  script_set_attribute(attribute:"see_also", value:"https://www.cisa.gov/news-events/ics-advisories/icsa-23-068-02");
  script_set_attribute(attribute:"solution", value:
"The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original
can be found at CISA.gov.

B&R recommends users to update to the latest version of the product at earliest convenience (instructions to install
updates is described in the user manual):

- Update all SDM products to firmware D4.93 or later.

B&R also recommends the following workarounds to mitigate the risk of exploitation:

- Deactivate the SDM when not needed.
- Refer to “general security recommendations” in the B&R Industrial Automation’s advisory
- Do not use hyperlinks provided by untrusted third parties to access the SDM.
- Use external Web Application Firewalls when possible.
- Visit the B&R Industrial Automation’s advisory for more information.");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-4286");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_cwe_id(79);

  script_set_attribute(attribute:"vuln_publication_date", value:"2023/02/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/02/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/06/13");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:br-automation:automation_runtime");
  script_set_attribute(attribute:"generated_plugin", value:"former");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Tenable.ot");

  script_copyright(english:"This script is Copyright (C) 2025-2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("tenable_ot_api_integration.nasl");
  script_require_keys("Tenable.ot/BRAutomation");

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/BRAutomation');

var asset = tenable_ot::assets::get(vendor:'BRAutomation');

var vuln_cpes = {
    "cpe:/a:br-automation:automation_runtime" :
        {"versionEndIncluding" : "c4.93", "versionStartIncluding" : "3.00", "family" : "BRAutomation"}
};

tenable_ot::cve::compare_and_report(asset:asset, cpes:vuln_cpes, severity:SECURITY_WARNING);