Xerox Printers Remote Command Execution (CVE-2021-28671)

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

include('compat.inc');

if (description)
{
  script_id(505558);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/27");

  script_cve_id("CVE-2021-28671");

  script_name(english:"Xerox Printers Remote Command Execution (CVE-2021-28671)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"Xerox Phaser 6510 before 64.65.51 and 64.59.11 (Bridge), WorkCentre
6515 before 65.65.51 and 65.59.11 (Bridge), VersaLink B400 before
37.65.51 and 37.59.01 (Bridge), B405 before 38.65.51 and 38.59.01
(Bridge), B600/B610 before 32.65.51 and 32.59.01 (Bridge), B605/B615
before 33.65.51 and 33.59.01 (Bridge), B7025/30/35 before 58.65.51 and
58.59.11 (Bridge), C400 before 67.65.51 and 67.59.01 (Bridge), C405
before 68.65.51 and 68.59.01 (Bridge), C500/C600 before 61.65.51 and
61.59.01 (Bridge), C505/C605 before 62.65.51 and 62.59.01 (Bridge),
C7000 before 56.65.51 and 56.59.01 (Bridge), C7020/25/30 before
57.65.51 and 57.59.01 (Bridge), C8000/C9000 before 70.65.51 and
70.59.01 (Bridge), C8000W before 72.65.51 have a remote Command
Execution vulnerability in the Web User Interface that allows remote
attackers with a weaponized clone file to execute arbitrary
commands.

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/2021/03/cert_Security_Mini_Bulletin_XRX21D_for_PH6510_WC6515_VersaLink-1.pdf
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?33df31ca");
  script_set_attribute(attribute:"solution", value:
"Refer to the vendor advisory.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-28671");

  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:phaser_6510_firmware:64.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:phaser_6510_firmware:64.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b400_firmware:37.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b400_firmware:37.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b405_firmware:38.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b405_firmware:38.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b600_firmware:32.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b600_firmware:32.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b605_firmware:33.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b605_firmware:33.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b610_firmware:32.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b610_firmware:32.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b615_firmware:33.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b615_firmware:33.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b7025_firmware:58.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b7025_firmware:58.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b7030_firmware:58.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b7030_firmware:58.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b7035_firmware:58.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_b7035_firmware:58.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c400_firmware:67.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c400_firmware:67.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c405_firmware:68.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c405_firmware:68.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c500_firmware:61.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c500_firmware:61.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c505_firmware:62.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c505_firmware:62.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c600_firmware:61.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c600_firmware:61.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c605_firmware:62.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c605_firmware:62.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c7000_firmware:56.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c7000_firmware:56.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c7020_firmware:57.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c7020_firmware:57.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c7025_firmware:57.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c7025_firmware:57.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c7030_firmware:57.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c7030_firmware:57.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c8000_firmware:70.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c8000_firmware:70.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c8000w_firmware:72.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c9000_firmware:70.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:versalink_c9000_firmware:70.65");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:workcentre_6515_firmware:65.59");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:xerox:workcentre_6515_firmware:65.65");
  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:phaser_6510_firmware:64.59" :
        {"versionEndExcluding" : "64.59.11", "versionStartIncluding" : "64.59.00", "family" : "Phaser"},
    "cpe:/o:xerox:phaser_6510_firmware:64.65" :
        {"versionEndExcluding" : "64.65.51", "versionStartIncluding" : "64.65.00", "family" : "Phaser"},
    "cpe:/o:xerox:workcentre_6515_firmware:65.59" :
        {"versionEndExcluding" : "65.59.11", "versionStartIncluding" : "65.59.00", "family" : "WorkCentre"},
    "cpe:/o:xerox:workcentre_6515_firmware:65.65" :
        {"versionEndExcluding" : "65.65.51", "versionStartIncluding" : "65.65.00", "family" : "WorkCentre"},
    "cpe:/o:xerox:versalink_b400_firmware:37.59" :
        {"versionEndExcluding" : "37.59.01", "versionStartIncluding" : "37.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b400_firmware:37.65" :
        {"versionEndExcluding" : "37.65.51", "versionStartIncluding" : "37.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b405_firmware:38.59" :
        {"versionEndExcluding" : "38.59.01", "versionStartIncluding" : "38.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b405_firmware:38.65" :
        {"versionEndExcluding" : "38.65.51", "versionStartIncluding" : "38.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b600_firmware:32.59" :
        {"versionEndExcluding" : "32.59.01", "versionStartIncluding" : "32.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b600_firmware:32.65" :
        {"versionEndExcluding" : "32.65.51", "versionStartIncluding" : "32.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b605_firmware:33.59" :
        {"versionEndExcluding" : "33.59.01", "versionStartIncluding" : "33.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b605_firmware:33.65" :
        {"versionEndExcluding" : "33.65.51", "versionStartIncluding" : "33.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b610_firmware:32.59" :
        {"versionEndExcluding" : "32.59.01", "versionStartIncluding" : "32.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b610_firmware:32.65" :
        {"versionEndExcluding" : "32.65.51", "versionStartIncluding" : "32.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b615_firmware:33.59" :
        {"versionEndExcluding" : "33.59.01", "versionStartIncluding" : "33.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b615_firmware:33.65" :
        {"versionEndExcluding" : "33.65.51", "versionStartIncluding" : "33.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b7025_firmware:58.59" :
        {"versionEndExcluding" : "58.59.11", "versionStartIncluding" : "58.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b7025_firmware:58.65" :
        {"versionEndExcluding" : "58.65.51", "versionStartIncluding" : "58.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b7030_firmware:58.59" :
        {"versionEndExcluding" : "58.59.11", "versionStartIncluding" : "58.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b7030_firmware:58.65" :
        {"versionEndExcluding" : "58.65.51", "versionStartIncluding" : "58.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b7035_firmware:58.59" :
        {"versionEndExcluding" : "58.59.11", "versionStartIncluding" : "58.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_b7035_firmware:58.65" :
        {"versionEndExcluding" : "58.65.51", "versionStartIncluding" : "58.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c400_firmware:67.59" :
        {"versionEndExcluding" : "67.59.01", "versionStartIncluding" : "67.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c400_firmware:67.65" :
        {"versionEndExcluding" : "67.65.51", "versionStartIncluding" : "67.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c405_firmware:68.59" :
        {"versionEndExcluding" : "68.59.01", "versionStartIncluding" : "68.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c405_firmware:68.65" :
        {"versionEndExcluding" : "68.65.51", "versionStartIncluding" : "68.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c500_firmware:61.59" :
        {"versionEndExcluding" : "61.59.01", "versionStartIncluding" : "61.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c500_firmware:61.65" :
        {"versionEndExcluding" : "61.65.51", "versionStartIncluding" : "61.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c505_firmware:62.59" :
        {"versionEndExcluding" : "62.59.01", "versionStartIncluding" : "62.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c505_firmware:62.65" :
        {"versionEndExcluding" : "62.65.51", "versionStartIncluding" : "62.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c600_firmware:61.59" :
        {"versionEndExcluding" : "61.59.01", "versionStartIncluding" : "61.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c600_firmware:61.65" :
        {"versionEndExcluding" : "61.65.51", "versionStartIncluding" : "61.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c605_firmware:62.59" :
        {"versionEndExcluding" : "62.59.01", "versionStartIncluding" : "62.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c605_firmware:62.65" :
        {"versionEndExcluding" : "62.65.51", "versionStartIncluding" : "62.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c7000_firmware:56.59" :
        {"versionEndExcluding" : "56.59.01", "versionStartIncluding" : "56.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c7000_firmware:56.65" :
        {"versionEndExcluding" : "56.65.51", "versionStartIncluding" : "56.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c7020_firmware:57.59" :
        {"versionEndExcluding" : "57.59.01", "versionStartIncluding" : "57.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c7020_firmware:57.65" :
        {"versionEndExcluding" : "57.65.51", "versionStartIncluding" : "57.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c7025_firmware:57.59" :
        {"versionEndExcluding" : "57.59.01", "versionStartIncluding" : "57.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c7025_firmware:57.65" :
        {"versionEndExcluding" : "57.65.51", "versionStartIncluding" : "57.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c7030_firmware:57.59" :
        {"versionEndExcluding" : "57.59.01", "versionStartIncluding" : "57.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c7030_firmware:57.65" :
        {"versionEndExcluding" : "57.65.51", "versionStartIncluding" : "57.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c8000_firmware:70.59" :
        {"versionEndExcluding" : "70.59.01", "versionStartIncluding" : "70.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c8000_firmware:70.65" :
        {"versionEndExcluding" : "70.65.51", "versionStartIncluding" : "70.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c8000w_firmware:72.65" :
        {"versionEndExcluding" : "72.65.51", "versionStartIncluding" : "72.65.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c9000_firmware:70.59" :
        {"versionEndExcluding" : "70.59.01", "versionStartIncluding" : "70.59.00", "family" : "VersaLink"},
    "cpe:/o:xerox:versalink_c9000_firmware:70.65" :
        {"versionEndExcluding" : "70.65.51", "versionStartIncluding" : "70.65.00", "family" : "VersaLink"}
};

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