SICLOCK TC100/TC400 access control

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in SICLOCK TC100 and TC400. It has been rated as critical. The impacted element is an unknown function. The manipulation leads to access control. This vulnerability is documented as CVE-2018-4854. The attack can be initiated remotely. There is not any exploit available. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in SICLOCK TC100 and TC400 (version unknown) and classified as critical. This issue affects an unknown function. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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 administrative client stored on the device. If a legitimate user downloads and executes the modified client from the affected device, then he/she could obtain code execution on the client system.

The bug was discovered 07/03/2018. The weakness was released 07/03/2018 (Website). The advisory is shared at cert-portal.siemens.com. The identification of this vulnerability is CVE-2018-4854 since 01/02/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Addressing this vulnerability is possible by firewalling udp/69.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104672†). Entries connected to this vulnerability are available at VDB-120278, VDB-120279, VDB-120280 and VDB-120282. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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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-2018-4854 (🔍)
GCVE (CVE): GCVE-0-2018-4854
GCVE (VulDB): GCVE-100-120281
SecurityFocus: 104672 - Siemens SICLOCK TC Devices Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 07/04/2018 11:28
Updated: 04/03/2023 12:09
Changes: 07/04/2018 11:28 (59), 02/24/2020 17:42 (4), 04/03/2023 12:09 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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