CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
EPSS
Percentile
51.4%
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 and zip files that allows denial of service attacks.
Please see the included Cisco BID and Cisco Security Advisory for more information
#TRUSTED 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
#
# (C) Tenable Network Security, Inc.
#
include('compat.inc');
if (description)
{
script_id(134054);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/06/03");
script_cve_id("CVE-2020-3134");
script_xref(name:"CISCO-BUG-ID", value:"CSCvq65126");
script_xref(name:"CISCO-SA", value:"cisco-sa-esa-dos-87mBkc8n");
script_xref(name:"IAVA", value:"2019-A-0368-S");
script_name(english:"Cisco Email Security Appliance Content Filter Bypass Vulnerability (CSCvq65126)");
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 and zip files that allows denial
of service attacks.
Please see the included Cisco BID and Cisco Security Advisory for more
information");
# https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-dos-87mBkc8n
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?af260ed8");
script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvq65126");
script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvq65126");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/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:L/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-2020-3134");
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' : '11', 'fix_ver' : '12.5.0.031' },
{ 'min_ver' : '13', 'fix_ver' : '13.0.0.311' }
];
reporting = make_array(
'port' , 0,
'severity' , SECURITY_WARNING,
'version' , product_info['version'],
'bug_id' , 'CSCvq65126',
'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
PARTIAL
AV:N/AC:L/Au:N/C:N/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
EPSS
Percentile
51.4%