CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
Percentile
49.9%
According to its self-reported version, Cisco Email Security Appliance (ESA) is affected by an input-validation flaw related to the email message filtering feature that allows further attacks by allowing malicious content to pass through the device.
Please see the included Cisco BID and Cisco Security Advisory for more information
#TRUSTED 67022ff59cb46f1d56efa1a4dc912a7a4af59bc411f2041689375c32b1b5569373ed295ff5bdd6f1088c415e7e48e2e08d92ee57670b2660585844c12e4e0c4cc9894dde4f7e21f8d1e673512d3029eea3e933e56eb19a7f101a4f02d0d44cb96126a81909f2f11f273f29447035e756acb42d8a5bccc103385e66e38b9ac8c41e367f5b9089f56500b72f7e78c971b0ee5551a9fcef1ad8b421ea6fd96f0d19f7eefbff7de28ad34c066706a00cbc4f20979af353a1c12d8a8b65460527466ec5a109cce165984870ecac622c449d342c7121a28d74905e9029017ece042cc9b181f9672a143b7a3ba098fd7cc90003787e5d63c2ee0fcb4640ea09c0956127ab0f9a41fe339d44f00553f2bcd10f18bb3102095573dfa2e55bf7539d300b696b808231afe619347fd676d66b7d8fbb131285d40a199428dd1fe03d1c507fc3dab0c524a8b17512c476cb7da5ed297f081f3644cf1c20533c92bb54902f588bb6583aff5322000278c67b9fe65cf80ed5750b45d5622f87a0654f98f2fc867b2519efeb9834404e4cae41b052b7984b940d24e0b6718b00bb0f7c6941feff28297b1231a62a2104ceff7c8007aa06aad4b162db67f10ad626bdf8b6fc8c01d79e9f710307a847ad898e42d2c61113758de7e559df77f5b10062e599303dfc83064bbed865eb544443e1693e06ea710eee1aa43d3311d3c413569dfa2773b594
#
# (C) Tenable Network Security, Inc.
#
include('compat.inc');
if (description)
{
script_id(134053);
script_version("1.8");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/06/03");
script_cve_id("CVE-2020-3133");
script_xref(name:"CISCO-BUG-ID", value:"CSCvq66135");
script_xref(name:"CISCO-SA", value:"cisco-sa-esa-bypass-5Cdv2HMA");
script_xref(name:"IAVA", value:"2019-A-0368-S");
script_name(english:"Cisco Email Security Appliance Content Filter Bypass Vulnerability (CSCvq66135)");
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 Email Security
Appliance (ESA) is affected by an input-validation flaw related to
the email message filtering feature that allows further attacks by
allowing malicious content to pass through the device.
Please see the included Cisco BID and Cisco Security Advisory for more
information");
# https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-bypass-5Cdv2HMA
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?c1e5404f");
script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvq66135");
script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvq66135");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
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:H/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-3133");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/01/22");
script_set_attribute(attribute:"patch_publication_date", value:"2020/01/22");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/02/26");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:cisco:email_security_appliance_(esa)");
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) 2020-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("cisco_esa_version.nasl");
script_require_keys("Host/AsyncOS/Cisco Email Security Appliance/Version");
exit(0);
}
include('audit.inc');
include('cisco_workarounds.inc');
include('ccf.inc');
product_info = cisco::get_product_info(name:'Cisco Email Security Appliance (ESA)');
vuln_ranges = [
{ 'min_ver' : '12', 'fix_ver' : '12.5.0.031' }
];
reporting = make_array(
'port' , 0,
'severity' , SECURITY_WARNING,
'version' , product_info['version'],
'bug_id' , 'CSCvq66135',
'disable_caveat', TRUE
);
cisco::check_and_report(product_info:product_info, reporting:reporting, vuln_ranges:vuln_ranges);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
Percentile
49.9%