CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
Percentile
31.7%
According to its self-reported version, Cisco TelePresence Collaboration Endpoint Software is affected by a vulnerability in the video endpoint API (xAPI). An authenticated, remote attacker can exploit this, by accessing information that should not be accessible to users with low privileges, in order to gain access to sensitive information.
Please see the included Cisco BIDs and Cisco Security Advisory for more information.
##
# (C) Tenable Network Security, Inc.
##
include('compat.inc');
if (description)
{
script_id(142824);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/10/07");
script_cve_id("CVE-2020-26086");
script_xref(name:"CISCO-BUG-ID", value:"CSCvv34713");
script_xref(name:"CISCO-SA", value:"cisco-sa-tele-info-DrEGLpDQ");
script_xref(name:"IAVA", value:"2020-A-0528-S");
script_name(english:"Cisco TelePresence Collaboration Endpoint Software Information Disclosure (cisco-sa-tele-info-DrEGLpDQ)");
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 TelePresence Collaboration Endpoint Software is affected by a
vulnerability in the video endpoint API (xAPI). An authenticated, remote attacker can exploit this, by accessing
information that should not be accessible to users with low privileges, in order to gain access to sensitive
information.
Please see the included Cisco BIDs and Cisco Security Advisory for more information.");
# https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-tele-info-DrEGLpDQ
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?e4e6b727");
script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv34713");
script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvv34713");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:N/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:L/UI:N/S:U/C:L/I:N/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-2020-26086");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"vuln_publication_date", value:"2020/11/04");
script_set_attribute(attribute:"patch_publication_date", value:"2020/11/04");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/11/12");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:telepresence_collaboration_endpoint");
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_telepresence_mcu_detect.nasl");
script_require_keys("Cisco/TelePresence_MCU/Device", "Cisco/TelePresence_MCU/Version");
exit(0);
}
include('misc_func.inc');
app_name = 'Cisco TelePresence TC/CE software';
version = get_kb_item_or_exit('Cisco/TelePresence_MCU/Version');
device = get_kb_item_or_exit('Cisco/TelePresence_MCU/Device');
device = tolower(device);
if ('room' >!< device && 'board' >!< device && 'desk pro' >!< device)
audit(AUDIT_HOST_NOT, 'a vulnerable device');
short_version = pregmatch(pattern: "^(TC|ce)(\d+(?:\.\d+){0,2})", string:version);
if (isnull(short_version))
audit(AUDIT_NOT_DETECT, app_name);
else
{
short_type = short_version[1];
short_num = short_version[2];
}
fix = '';
bugid = 'CSCvv34713';
if (short_type != 'ce')
audit(AUDIT_NOT_DETECT, app_name);
if (ver_compare(ver:short_num, fix:'9.14.3', strict:FALSE) < 0)
{
report = '\n Installed Version : ' + version +
'\n Cisco Bug ID : ' + bugid +
'\n';
security_report_v4(port:0, severity:SECURITY_WARNING, extra:report);
}
else
audit(AUDIT_INST_VER_NOT_VULN, app_name, version);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:S/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
Percentile
31.7%