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Vulnerability record · CVE-2018-13811 · published 13 December 2018

CVE-2018-13811: Siemens simatic step 7 \(tia portal\) information exposure vulnerability

Siemens · Simatic Step 7 \(Tia Portal\)

A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) (All Versions < V15.1). Password hashes with insufficient computational effort could allow an attacker to access to a project file and reconstruct passwords. The vulnerability could be exploited by an attacker with local access to the project file. No user interaction is required to exploit the vulnerability. The vulnerability could allow the attacker to obtain certain passwords from the project. At the time of advisory publication no public exploitation of this vulnerability was known.

5.5 CVSS 3.0 Medium EPSS 0.24% · top 86.2% CWE-916 · CWE-916CWE-200 · Information exposure
5.5CVSS 3.0 base score, v2 2.1
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) (All Versions < V15.1). Password hashes with insufficient computational effort could allow an attacker to access to a project file and reconstruct passwords. The vulnerability could be exploited by an attacker with local access to the project file. No user interaction is required to exploit the vulnerability. The vulnerability could allow the attacker to obtain certain passwords from the project. At the time of advisory publication no public exploitation of this vulnerability was known.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/105926 Third Party AdvisoryVDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-621493.pdf Vendor Advisory
http://www.securityfocus.com/bid/105926 Third Party AdvisoryVDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-621493.pdf Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.6CVE-2018-11454Siemens simatic step 7 \(tia portal\) incorrect default permissions vulnerabilityA vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V10, V11, V12 (All versions), SIMATIC STEP 7 (TIA Portal) a…EPSS 0.44%7.8CVE-2018-11453Siemens simatic step 7 \(tia portal\) incorrect default permissions vulnerabilityA vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V10, V11, V12 (All versions), SIMATIC STEP 7 (TIA Portal) a…EPSS 0.36%7.5CVE-2021-37172Siemens simatic s7-1200 cpu firmware improper authentication vulnerabilityA vulnerability has been identified in SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (V4.5.0). Affected devices fail to authenticate against con…EPSS 0.92%6.5CVE-2017-6865Siemens pcs 7 improper input validation vulnerabilityA vulnerability has been identified in Primary Setup Tool (PST) (All versions < V4.2 HF1), SIMATIC Automation Tool (All versions < V3.0), SIMATIC NET…EPSS 0.47%6.4CVE-2016-7165Siemens primary setup tool improper access control vulnerabilityA vulnerability has been identified in Primary Setup Tool (PST) (All versions < V4.2 HF1), SIMATIC IT Production Suite (All versions < V7.0 SP1 HFX 2…EPSS 0.38%

Source: NIST National Vulnerability Database (record CVE-2018-13811), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.