KONE Group Controller up to 4.6.4 ftp improper authentication

HistoryDiffrelatejsonxmlCTI

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.
8.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in KONE Group Controller up to 4.6.4. This vulnerability affects unknown code of the component ftp. The manipulation leads to improper authentication. This vulnerability is documented as CVE-2018-15485. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in KONE Group Controller up to 4.6.4. It has been rated as critical. This issue affects some unknown processing of the component ftp. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on KONE Group Controller (KGC) devices before 4.6.5. FTP does not require authentication or authorization, aka KONE-03.

The bug was discovered 09/06/2018. The weakness was released 09/07/2018 (Website). It is possible to read the advisory at kone.com. The identification of this vulnerability is CVE-2018-15485 since 08/17/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.6.5 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-123729, VDB-123730 and VDB-123732. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

KONE

Name

Group Controller

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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: Group Controller 4.6.5

Timelineinfo

08/17/2018 🔍
09/06/2018 +20 days 🔍
09/07/2018 +0 days 🔍
09/07/2018 +0 days 🔍
09/08/2018 +1 days 🔍
05/07/2023 +1702 days 🔍

Sourcesinfo

Advisory: 149252
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-15485 (🔍)
GCVE (CVE): GCVE-0-2018-15485
GCVE (VulDB): GCVE-100-123731
See also: 🔍

Entryinfo

Created: 09/08/2018 08:59
Updated: 05/07/2023 14:20
Changes: 09/08/2018 08:59 (60), 03/21/2020 15:41 (2), 05/07/2023 14:20 (4)
Complete: 🔍
Cache ID: 216::103

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