10 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
0.003 Low
EPSS
Percentile
70.0%
According to its self-reported version, Cisco Small Business RV Series Router Firmware is affected by multiple vulnerabilities:
A vulnerability in the web filter database update feature of Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an unauthenticated, remote attacker to perform a command injection and execute commands on the underlying operating system with root privileges. (CVE-2022-20827)
A vulnerability in the Open Plug and Play (PnP) module of Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an unauthenticated, remote attacker to inject and execute arbitrary commands on the underlying operating system. (CVE-2022-20841)
Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
{
script_id(163883);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/12/07");
script_cve_id("CVE-2022-20827", "CVE-2022-20841");
script_xref(name:"CISCO-BUG-ID", value:"CSCwb58268");
script_xref(name:"CISCO-BUG-ID", value:"CSCwb58273");
script_xref(name:"CISCO-BUG-ID", value:"CSCwb98961");
script_xref(name:"CISCO-BUG-ID", value:"CSCwb98964");
script_xref(name:"CISCO-SA", value:"cisco-sa-sb-mult-vuln-CbVp4SUR");
script_xref(name:"IAVA", value:"2022-A-0308");
script_name(english:"Cisco Small Business RV Series Routers Multiple Vulnerabilities (cisco-sa-sb-mult-vuln-CbVp4SUR)");
script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch.");
script_set_attribute(attribute:"description", value:
"According to its self-reported version, Cisco Small Business RV Series Router Firmware is affected by multiple
vulnerabilities:
- A vulnerability in the web filter database update feature of Cisco Small Business RV160, RV260, RV340, and RV345
Series Routers could allow an unauthenticated, remote attacker to perform a command injection and execute commands
on the underlying operating system with root privileges. (CVE-2022-20827)
- A vulnerability in the Open Plug and Play (PnP) module of Cisco Small Business RV160, RV260, RV340, and RV345
Series Routers could allow an unauthenticated, remote attacker to inject and execute arbitrary commands on the
underlying operating system. (CVE-2022-20841)
Please see the included Cisco BIDs and Cisco Security Advisory for more information.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
# https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-mult-vuln-CbVp4SUR
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?93fea3b4");
script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCwb58268, CSCwb58273, CSCwb98961, CSCwb98964");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
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:C/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-20827");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2022/08/03");
script_set_attribute(attribute:"patch_publication_date", value:"2022/08/03");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/08/05");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:small_business_rv_series_router_firmware");
script_set_attribute(attribute:"stig_severity", value:"I");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"CISCO");
script_copyright(english:"This script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("cisco_small_business_detect.nasl", "cisco_rv_webui_detect.nbin");
script_require_keys("Cisco/Small_Business_Router/Version", "Cisco/Small_Business_Router/Model");
exit(0);
}
include('ccf.inc');
var product_info = cisco::get_product_info(name:'Cisco Small Business Series Router Firmware');
# CVE-2022-20827 and CVE-2022-20841 affect the following Cisco products:
# RV160 VPN Routers
# RV160W Wireless-AC VPN Routers
# RV260 VPN Routers
# RV260P VPN Routers with PoE
# RV260W Wireless-AC VPN Routers
# RV340 Dual WAN Gigabit VPN Routers
# RV340W Dual WAN Gigabit Wireless-AC VPN Routers
# RV345 Dual WAN Gigabit VPN Routers
# RV345P Dual WAN Gigabit POE VPN Routers
if (product_info['model'] !~ "^RV((160W*|260[PW]*)|(34[05]+[WP]*))")
audit(AUDIT_HOST_NOT, 'an affected Cisco Small Business RV Series router');
var vuln_ranges;
if (product_info['model'] =~ "^RV([12]60)")
vuln_ranges = [ { 'min_ver' : '1.0.01.05', 'fix_ver' : '1.0.01.09'} ];
else if (product_info['model'] =~ "^RV(34[05]+)")
vuln_ranges = [ { 'min_ver' : '1.0.03.26', 'fix_ver' : '1.0.03.28'} ];
var reporting = make_array(
'port' , 0,
'severity' , SECURITY_HOLE,
'version' , product_info['version'],
'bug_id' , 'CSCwb58268, CSCwb58273, CSCwb98961, CSCwb98964',
'disable_caveat', TRUE
);
cisco::check_and_report(
product_info:product_info,
reporting:reporting,
vuln_ranges:vuln_ranges
);
Vendor | Product | Version | CPE |
---|---|---|---|
cisco | small_business_rv_series_router_firmware | cpe:/o:cisco:small_business_rv_series_router_firmware |
10 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
0.003 Low
EPSS
Percentile
70.0%