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Fencer Intel
high 8.1

CVE-2018-13804 json

A vulnerability has been identified in SIMATIC IT LMS (All versions), SIMATIC IT Production Suite (Versions V7.1 < V7.1 Upd3), SIMATIC IT U…

published 2018-12-13 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-5740

cvss
8.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-18-317-07 updated cvss 7.7

ICSA-18-317-07 Siemens SIMATIC IT Production Suite

  • Siemens SIMATIC IT LMS
    affected: mitigation
  • Siemens SIMATIC IT Production Suite <V7.1_V7.1_Upd3
    affected: fixed in V7.1, mitigation plm.automation.siemens.com
  • Siemens SIMATIC IT UA Discrete Manufacturing <V1.2, V1.2, V1.3, V2.3
    affected: vendor fix, mitigation plm.automation.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

2.66% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • Siemens AG SIMATIC IT LMS, SIMATIC IT Production Suite, SIMATIC IT UA Discrete Manufacturing, SIMATIC IT UA Discrete Manufacturing, SIMATIC IT UA Discrete Manufacturing, SIMATIC IT UA Discrete Manufacturing, SIMATIC IT UA Discrete Manufacturing

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.