SICLOCK TC100/TC400 access control

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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in SICLOCK TC100 and TC400. It has been declared as critical. The affected element is an unknown function. Executing a manipulation can lead to access control. This vulnerability is registered as CVE-2018-4853. It is possible to launch the attack remotely. No exploit is available. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability has been found in SICLOCK TC100 and TC400 (version now known) and classified as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in SICLOCK TC100 (All versions) and SICLOCK TC400 (All versions). An attacker with network access to port 69/udp could modify the firmware of the device.

The bug was discovered 07/03/2018. The weakness was published 07/03/2018 (Website). The advisory is shared for download at cert-portal.siemens.com. This vulnerability was named CVE-2018-4853 since 01/02/2018. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Proper firewalling of udp/69 is able to address this issue.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104672†). Similar entries are available at VDB-120278, VDB-120279, VDB-120281 and VDB-120282. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

SICLOCK

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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: Access control
CWE: CWE-284 / CWE-266
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: Firewall
Status: 🔍
Firewalling: 🔍

Timelineinfo

01/02/2018 🔍
07/03/2018 +181 days 🔍
07/03/2018 +0 days 🔍
07/03/2018 +0 days 🔍
07/03/2018 +0 days 🔍
07/04/2018 +1 days 🔍
04/03/2023 +1734 days 🔍

Sourcesinfo

Advisory: ssa-197012
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-4853 (🔍)
GCVE (CVE): GCVE-0-2018-4853
GCVE (VulDB): GCVE-100-120280
SecurityFocus: 104672 - Siemens SICLOCK TC Devices Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 07/04/2018 11:19
Updated: 04/03/2023 12:02
Changes: 07/04/2018 11:19 (58), 02/24/2020 17:36 (4), 04/03/2023 12:02 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.