VDB-124363 · CVE-2018-14890 · GCVE-0-2018-14890

Vectra Cognito Brain/Cognito Sensor up to 4.1 Web Management Console cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Vectra Cognito Brain and Cognito Sensor up to 4.1. This affects an unknown function of the component Web Management Console. This manipulation causes cross site scripting. This vulnerability appears as CVE-2018-14890. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Vectra Cognito Brain and Cognito Sensor up to 4.1. Affected by this vulnerability is an unknown functionality of the component Web Management Console. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Vectra Networks Cognito Brain and Sensor before 4.2 contains a cross-site scripting (XSS) vulnerability in the Web Management Console.

The bug was discovered 09/05/2018. The weakness was presented 09/21/2018 by Julien Egloff and Thibault Guittet with Synacktiv as Cross-Site Scripting Vulnerability in Web Management Console (post authentication) as confirmed security advisory (Website). It is possible to read the advisory at vectra.ai. The public release was coordinated in cooperation with Vectra. This vulnerability is known as CVE-2018-14890 since 08/03/2018. The attack can be launched remotely. The successful exploitation needs a single authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.2 eliminates this vulnerability.

See VDB-124362 and VDB-124364 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Vectra

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Cognito Brain/Cognito Sensor 4.2

Timelineinfo

08/03/2018 🔍
09/05/2018 +33 days 🔍
09/21/2018 +15 days 🔍
09/21/2018 +0 days 🔍
09/22/2018 +1 days 🔍
03/26/2020 +551 days 🔍

Sourcesinfo

Advisory: Cross-Site Scripting Vulnerability in Web Management Console (post authentication)
Researcher: Julien Egloff, Thibault Guittet
Organization: Synacktiv
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2018-14890 (🔍)
GCVE (CVE): GCVE-0-2018-14890
GCVE (VulDB): GCVE-100-124363
See also: 🔍

Entryinfo

Created: 09/22/2018 07:44
Updated: 03/26/2020 13:47
Changes: 09/22/2018 07:44 (64), 03/26/2020 13:47 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.