TeleControl Server Basic up to 3.0 Web Server denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in TeleControl Server Basic up to 3.0. This issue affects an unknown code block of the component Web Server. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

A vulnerability has been identified in TeleControl Server Basic < V3.1. An attacker with access to the TeleControl Server Basic's webserver (port 80/tcp or 443/tcp) could cause a Denial-of-Service condition on the web server. The remaining functionality of the TeleControl Server Basic is not affected by the Denial-of-Service condition.

The bug was discovered 01/25/2018. The weakness was shared 01/25/2018 (Website). It is possible to read the advisory at siemens.com. The identification of this vulnerability is CVE-2018-4837 since 01/02/2018. The exploitation is known to be easy. 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 attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 3.1 eliminates this vulnerability.Addressing this vulnerability is possible by firewalling Web Server Port. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 102819†). The entries VDB-112437 and VDB-112438 are related to this item.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

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-2018-4837 (🔍)
SecurityFocus: 102819 - Siemens TeleControl Server Basic CVE-2018-4837 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 01/26/2018 07:55 AM
Updated: 02/02/2023 04:58 PM
Changes: 01/26/2018 07:55 AM (61), 12/27/2019 04:25 PM (4), 02/02/2023 04:58 PM (4)
Complete: 🔍
Cache ID: 18:8E6:40

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