Siemens TIM 1531 IRC up to 1.x Service Port 102 improper authentication

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.

A vulnerability has been found in Siemens TIM 1531 IRC up to 1.x (Chat Software) and classified as critical. This vulnerability affects an unknown code of the component Service Port 102. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability has been identified in TIM 1531 IRC (All version < V2.0). The devices was missing proper authentication on port 102/tcp, although configured. Successful exploitation requires an attacker to be able to send packets to port 102/tcp of the affected device. No user interaction and no user privileges are required to exploit the vulnerability. At the time of advisory publication no public exploitation of this vulnerability was known.

The bug was discovered 12/13/2018. The weakness was shared 12/12/2018 (Website). The advisory is available at This vulnerability was named CVE-2018-13816 since 07/10/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 2.0 eliminates this vulnerability.Proper firewalling of tcp/102 is able to address this issue. The best possible mitigation is suggested to be upgrading to the latest version.







CPE 2.3info

CPE 2.2info


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


VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 10.0
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: TIM 1531 IRC 2.0
Firewalling: 🔍


07/10/2018 🔍
12/11/2018 +154 days 🔍
12/12/2018 +1 days 🔍
12/12/2018 +0 days 🔍
12/13/2018 +1 days 🔍
12/13/2018 +0 days 🔍
06/18/2023 +1648 days 🔍



Advisory: ssa-982399
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-13816 (🔍)
SecurityFocus: 106194 - Siemens TIM 1531 IRC CVE-2018-13816 Authentication Bypass Vulnerability


Created: 12/13/2018 09:39 AM
Updated: 06/18/2023 02:10 PM
Changes: 12/13/2018 09:39 AM (62), 04/20/2020 12:46 PM (4), 06/18/2023 02:10 PM (4)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!