CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
48.5%
A vulnerability in the email filtering functionality of Cisco AsyncOS
Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to bypass
Advanced Malware Protection (AMP) filters that are configured for an affected device.
# SPDX-FileCopyrightText: 2016 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
CPE = "cpe:/h:cisco:email_security_appliance";
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.106393");
script_cve_id("CVE-2016-6463");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
script_version("2023-07-20T05:05:17+0000");
script_name("Cisco Email Security Appliance MIME Header Processing Filter Bypass Vulnerability");
script_xref(name:"URL", value:"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161116-esa2");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"solution", value:"Update to 9.7.2-131, 10.0.0-203 or later.");
script_tag(name:"summary", value:"A vulnerability in the email filtering functionality of Cisco AsyncOS
Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to bypass
Advanced Malware Protection (AMP) filters that are configured for an affected device.");
script_tag(name:"insight", value:"The vulnerability is due to improper error handling when malformed
Multipurpose Internet Mail Extensions (MIME) headers are present in an email attachment that is sent through an
affected device. An attacker could exploit this vulnerability by sending an email message that has a crafted,
MIME-encoded file attachment through an affected device.");
script_tag(name:"impact", value:"A successful exploit could allow the attacker to bypass AMP filter
configurations for the device.");
script_tag(name:"qod_type", value:"package");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"last_modification", value:"2023-07-20 05:05:17 +0000 (Thu, 20 Jul 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2016-11-28 20:33:00 +0000 (Mon, 28 Nov 2016)");
script_tag(name:"creation_date", value:"2016-11-17 11:27:28 +0700 (Thu, 17 Nov 2016)");
script_category(ACT_GATHER_INFO);
script_family("CISCO");
script_copyright("Copyright (C) 2016 Greenbone AG");
script_dependencies("gb_cisco_esa_version.nasl");
script_mandatory_keys("cisco_esa/installed");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if( ! version = get_app_version( cpe:CPE ) ) exit( 0 );
affected = make_list(
'9.7.0-125',
'9.7.1-066',
'10.0.0-082' );
foreach af ( affected )
{
if( version == af )
{
if (version =~ "^9")
fix = "9.7.2-131";
else
fix = "10.0.0-203";
report = report_fixed_ver( installed_version:version, fixed_version: fix );
security_message( port:0, data:report );
exit( 0 );
}
}
exit( 99 );
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
48.5%