Schneider PowerLogic Improper Authentication (CVE-2021-22764)

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(500559);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/21");

  script_cve_id("CVE-2021-22764");

  script_name(english:"Schneider PowerLogic Improper Authentication (CVE-2021-22764)");

  script_set_attribute(attribute:"synopsis", value:
"The remote OT asset is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"A CWE-287: Improper Authentication vulnerability exists in PowerLogic PM55xx, PowerLogic PM8ECC, PowerLogic EGX100 and
PowerLogic EGX300 (see security notification for version infromation) that could cause loss of connectivity to the
device via Modbus TCP protocol when an attacker sends a specially crafted HTTP request.  

This plugin only works with
Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information.");
  # http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-02%2Chttp://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-03
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?20360c58");
  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:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-22764");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(287);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/06/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/06/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/02/07");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:powerlogic_pm5560_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:powerlogic_pm5561_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:powerlogic_pm5562_firmware");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:schneider-electric:powerlogic_pm5563_firmware");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('tenable_ot_cve_funcs.inc');

get_kb_item_or_exit('Tenable.ot/Schneider');

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

var vuln_cpes = {
    "cpe:/o:schneider-electric:powerlogic_pm5560_firmware" :
        {"versionEndExcluding" : "2.7.8", "family" : "PowerLogicPM"},
    "cpe:/o:schneider-electric:powerlogic_pm5561_firmware" :
        {"versionEndExcluding" : "10.7.3", "family" : "PowerLogicPM"},
    "cpe:/o:schneider-electric:powerlogic_pm5562_firmware" :
        {"versionEndIncluding" : "2.5.4", "family" : "PowerLogicPM"},
    "cpe:/o:schneider-electric:powerlogic_pm5563_firmware" :
        {"versionEndExcluding" : "2.7.8", "family" : "PowerLogicPM"}
};

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