Xerox AltaLink Missing Authorization (CVE-2021-28669)

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

include('compat.inc');

if (description)
{
  script_id(505555);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/27");

  script_cve_id("CVE-2021-28669");

  script_name(english:"Xerox AltaLink Missing Authorization (CVE-2021-28669)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Xerox AltaLink B80xx before 103.008.020.23120, C8030/C8035 before
103.001.020.23120, C8045/C8055 before 103.002.020.23120 and C8070
before 103.003.020.23120 provide the ability to set configuration
attributes without administrative rights.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # https://securitydocs.business.xerox.com/wp-content/uploads/2020/09/cert_Security_Mini_Bulletin_XRX20R_for_ALB80xx-C80xx-2.pdf
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?75f8707d");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-28669");
  script_cwe_id(862);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/03/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/03/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/27");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:altalink_b8045_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:altalink_b8055_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:altalink_b8065_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:altalink_b8075_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:altalink_b8090_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:altalink_c8030_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:altalink_c8035_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:altalink_c8045_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:altalink_c8055_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:altalink_c8070_firmware");
  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) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Xerox');

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

var vuln_cpes = {
    "cpe:/o:xerox:altalink_b8045_firmware" :
        {"versionStartIncluding" : "103.008.020.00000", "versionEndExcluding" : "103.008.020.23120", "family" : "AltaLink"},
    "cpe:/o:xerox:altalink_b8055_firmware" :
        {"versionStartIncluding" : "103.008.020.00000", "versionEndExcluding" : "103.008.020.23120", "family" : "AltaLink"},
    "cpe:/o:xerox:altalink_b8065_firmware" :
        {"versionStartIncluding" : "103.008.020.00000", "versionEndExcluding" : "103.008.020.23120", "family" : "AltaLink"},
    "cpe:/o:xerox:altalink_b8075_firmware" :
        {"versionStartIncluding" : "103.008.020.00000", "versionEndExcluding" : "103.008.020.23120", "family" : "AltaLink"},
    "cpe:/o:xerox:altalink_b8090_firmware" :
        {"versionStartIncluding" : "103.008.020.00000", "versionEndExcluding" : "103.008.020.23120", "family" : "AltaLink"},
    "cpe:/o:xerox:altalink_c8030_firmware" :
        {"versionStartIncluding" : "103.001.020.00000", "versionEndExcluding" : "103.001.020.23120", "family" : "AltaLink"},
    "cpe:/o:xerox:altalink_c8035_firmware" :
        {"versionStartIncluding" : "103.001.020.00000", "versionEndExcluding" : "103.001.020.23120", "family" : "AltaLink"},
    "cpe:/o:xerox:altalink_c8045_firmware" :
        {"versionStartIncluding" : "103.002.020.00000", "versionEndExcluding" : "103.002.020.23120", "family" : "AltaLink"},
    "cpe:/o:xerox:altalink_c8055_firmware" :
        {"versionStartIncluding" : "103.002.020.00000", "versionEndExcluding" : "103.002.020.23120", "family" : "AltaLink"},
    "cpe:/o:xerox:altalink_c8070_firmware" :
        {"versionStartIncluding" : "103.003.020.00000", "versionEndExcluding" : "103.003.020.23120", "family" : "AltaLink"}
};

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