TeleControl Server Basic up to 3.0 Service Port 8000 information disclosure

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 (≈)
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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.
6.2$0-$5k0.00

A vulnerability classified as critical has been found in TeleControl Server Basic up to 3.0. This affects an unknown part of the component Service Port 8000. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in TeleControl Server Basic < V3.1. An attacker with network access to the TeleControl Server Basic's port 8000/tcp could bypass the authentication mechanism and read limited information.

The bug was discovered 01/25/2018. The weakness was disclosed 01/25/2018 (Website). The advisory is shared at siemens.com. This vulnerability is uniquely identified as CVE-2018-4835 since 01/02/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 3.1 eliminates this vulnerability.It is possible to mitigate the weakness by firewalling tcp/8000. The best possible mitigation is suggested to be upgrading to the latest version.

The entries 112438 and 112439 are pretty similar.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 5.3
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server Basic 3.1
Firewalling: 🔍

Timelineinfo

01/02/2018 🔍
01/25/2018 +23 days 🔍
01/25/2018 +0 days 🔍
01/25/2018 +0 days 🔍
01/25/2018 +0 days 🔍
01/26/2018 +1 days 🔍
02/02/2023 +1833 days 🔍

Sourcesinfo

Advisory: ssa-651454
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-4835 (🔍)
SecurityFocus: 102894 - Siemens TeleControl Server Basic CVE-2018-4835 Authentication Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 01/26/2018 07:54 AM
Updated: 02/02/2023 04:42 PM
Changes: 01/26/2018 07:54 AM (61), 12/27/2019 04:13 PM (4), 02/02/2023 04:42 PM (4)
Complete: 🔍

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