CVE-2018-13804: siemens simatic_it_production_suite Improper Authentication
Vulnerability summary
CVE-2018-13804 is a high (CVSS 9.3) Improper Authentication vulnerability in siemens simatic_it_production_suite. EPSS estimates a 2.66% chance of exploitation in the next 30 days, higher than 85.4% of scored vulnerabilities.
Timeline
- 13-12-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in SIMATIC IT LMS (All versions), SIMATIC IT Production Suite (Versions V7.1 < V7.1 Upd3), SIMATIC IT UA Discrete Manufacturing (Versions < V1.2), SIMATIC IT UA Discrete Manufacturing (Versions V1.2), SIMATIC IT UA Discrete Manufacturing (Versions V1.3), SIMATIC IT UA Discrete Manufacturing (Versions V2.3), SIMATIC IT UA Discrete Manufacturing (Versions V2.4). An attacker with network access to the installation could bypass the application-level authentication. In order to exploit the vulnerability, an attacker must obtain network access to an affected installation and must obtain a valid username to the system. Successful exploitation requires no user privileges and no user interaction. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the system. At the time of advisory publication no public exploitation of this vulnerability was known.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
2.66%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
0.00 pp
From 2.66% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Siemens2 products
- simatic_it_production_suitev7.1
- simatic_it_ua_discrete_manufacturing≤ v1.2 | v1.3 | v2.3 | v2.4
1 vendor · 2 products