SARA / Free Tools / CVE / CVE-2019-13940

CVE-2019-13940 — A vulnerability has been identified in SIMATIC ET 200pro IM154-8 PN/DP CPU (All

CVSS

5.3 MEDIUM

EPSS

0.60% (top 30.70%)

CWE

CWE-400

Published

2020-02-11T15:36:10.000Z

Last modified

2024-08-05T00:05:44.018Z

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

01What is this vulnerability?

A vulnerability has been identified in SIMATIC ET 200pro IM154-8 PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200pro IM154-8F PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200pro IM154-8FX PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200S IM151-8 PN/DP CPU (All versions < V3.X.17), SIMATIC ET 200S IM151-8F PN/DP CPU (All versions < V3.X.17), SIMATIC S7-1200 CPU family (incl. SIPLUS variants)…

02Affected products

Vendor	Product	Versions
Siemens	SIMATIC ET 200pro IM154	8 PN/DP CPU — All versions < V3.X.17
Siemens	SIMATIC ET 200pro IM154	8F PN/DP CPU — All versions < V3.X.17
Siemens	SIMATIC ET 200pro IM154	8FX PN/DP CPU — All versions < V3.X.17
Siemens	SIMATIC ET 200S IM151	8 PN/DP CPU — All versions < V3.X.17
Siemens	SIMATIC ET 200S IM151	8F PN/DP CPU — All versions < V3.X.17
Siemens	SIMATIC S7	1200 CPU family (incl. SIPLUS variants) — All versions < V4.1
Siemens	SIMATIC S7	300 CPU 314C-2 PN/DP — All versions < V3.X.17
Siemens	SIMATIC S7	300 CPU 315-2 PN/DP — All versions < V3.X.17
Siemens	SIMATIC S7	300 CPU 315F-2 PN/DP — All versions < V3.X.17
Siemens	SIMATIC S7	300 CPU 315T-3 PN/DP — All versions < V3.X.17
Siemens	SIMATIC S7	300 CPU 317-2 PN/DP — All versions < V3.X.17
Siemens	SIMATIC S7	300 CPU 317F-2 PN/DP — All versions < V3.X.17
Siemens	SIMATIC S7	300 CPU 317T-3 PN/DP — All versions < V3.X.17
Siemens	SIMATIC S7	300 CPU 317TF-3 PN/DP — All versions < V3.X.17
Siemens	SIMATIC S7	300 CPU 319-3 PN/DP — All versions < V3.X.17
Siemens	SIMATIC S7	300 CPU 319F-3 PN/DP — All versions < V3.X.17
Siemens	SIMATIC S7	400 PN/DP V6 and below CPU family (incl. SIPLUS variants) — All versions
Siemens	SIMATIC S7	400 PN/DP V7 CPU family (incl. SIPLUS variants) — All versions
Siemens	SIMATIC WinAC RTX 2010	All versions
Siemens	SIMATIC WinAC RTX F 2010	All versions
Siemens	SIPLUS ET 200S IM151	8 PN/DP CPU — All versions < V3.X.17
Siemens	SIPLUS ET 200S IM151	8F PN/DP CPU — All versions < V3.X.17
Siemens	SIPLUS S7	300 CPU 314C-2 PN/DP — All versions < V3.X.17
Siemens	SIPLUS S7	300 CPU 315-2 PN/DP — All versions < V3.X.17
Siemens	SIPLUS S7	300 CPU 315F-2 PN/DP — All versions < V3.X.17
Siemens	SIPLUS S7	300 CPU 317-2 PN/DP — All versions < V3.X.17
Siemens	SIPLUS S7	300 CPU 317F-2 PN/DP — All versions < V3.X.17

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

Published: 2020-02-11T15:36:10.000Z
Last modified: 2024-08-05T00:05:44.018Z

09References

cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-431678.pdf

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