Default Password (cliuser) for 'cliuser' Account

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


account = "cliuser";
password = "cliuser";

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

if (description)
{
  script_id(69920);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");

  script_cve_id("CVE-1999-0502");

  script_name(english:"Default Password (cliuser) for 'cliuser' Account");

  script_set_attribute(attribute:"synopsis", value:
"The remote system can be accessed with a default account.");
  script_set_attribute(attribute:"description", value:
"The account 'cliuser' on the remote host has the password 'cliuser'.

An attacker may leverage this issue to gain administrative access to
the affected system.

Note that Cisco Unified Computing System Platform Emulator is known to
use these credentials to provide administrative access to the CLI.");
  script_set_attribute(attribute:"solution", value:
"Set a strong password for this account or use ACLs to restrict access
to the host.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  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_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-1999-0502");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'SSH User Code Execution');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"plugin_publication_date", value:"2013/09/17");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"default_account", value:"true");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Default Unix Accounts");

  script_copyright(english:"This script is Copyright (C) 2013-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_detect.nasl", "account_check.nasl", "telnetserver_detect_type_nd_version.nasl");
  script_exclude_keys("global_settings/supplied_logins_only");
  script_require_ports("Services/telnet", 23, "Services/ssh", 22);

  exit(0);
}


include("audit.inc");
include("default_account.inc");
include("global_settings.inc");

if (supplied_logins_only) audit(AUDIT_SUPPLIED_LOGINS_ONLY);

if (!thorough_tests && !get_kb_item("Settings/test_all_accounts")) exit(0, "Neither thorough_tests nor 'Settings/test_all_accounts' is set.");


affected = FALSE;
ssh_ports = get_service_port_list(svc: "ssh", default:22);
foreach port (ssh_ports)
{
  port = check_account(login:account, password:password, unix:FALSE, port:port, svc:"ssh");
  if (port)
  {
    affected = TRUE;
    security_report_v4(port:port, severity:SECURITY_HOLE, extra:default_account_report());
  }
}
if(affected) exit(0);

telnet_ports = get_service_port_list(svc: "telnet", default:23);
foreach port (telnet_ports)
{
  port = check_account(login:account, password:password, unix:FALSE, port:port, svc:"telnet");
  if (port)
  {
    affected = TRUE;
    security_report_v4(port:port, severity:SECURITY_HOLE, extra:default_account_report());
  }
}
if(!affected) audit(AUDIT_HOST_NOT, "affected");