SARA / Free Tools / CVE / CVE-2023-38380

CVE-2023-38380 — A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-1 IEC (incl. SIPL

CVSS

8.7 HIGH

EPSS

0.11% (top 70.20%)

CWE

CWE-401

Published

2023-12-12T11:26:36.173Z

Last modified

2024-08-02T17:39:13.213Z

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

01What is this vulnerability?

02Affected products

Vendor	Product	Versions
Siemens	SIMATIC CP 1242	7 V2 (incl. SIPLUS variants) — 0
Siemens	SIMATIC CP 1243	1 (incl. SIPLUS variants) — 0
Siemens	SIMATIC CP 1243	1 DNP3 (incl. SIPLUS variants) — 0
Siemens	SIMATIC CP 1243	1 IEC (incl. SIPLUS variants) — 0
Siemens	SIMATIC CP 1243	7 LTE — 0
Siemens	SIMATIC CP 1243	8 IRC — 0
Siemens	SIMATIC CP 1542SP	1 — 0
Siemens	SIMATIC CP 1542SP	1 IRC — 0
Siemens	SIMATIC CP 1543	1 — 0
Siemens	SIMATIC CP 1543SP	1 — 0
Siemens	SINAMICS S210 (6SL5...)	V6.1
Siemens	SIPLUS ET 200SP CP 1542SP	1 IRC TX RAIL — 0
Siemens	SIPLUS ET 200SP CP 1543SP	1 ISEC — 0
Siemens	SIPLUS ET 200SP CP 1543SP	1 ISEC TX RAIL — 0
Siemens	SIPLUS NET CP 1543	1 — 0

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: 2023-12-12T11:26:36.173Z
Last modified: 2024-08-02T17:39:13.213Z

09References

cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/pdf/ssa-693975.pdf
cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-693975.html
cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-139628.html
cert-portal.siemens.com — https://cert-portal.siemens.com/productcert/html/ssa-625862.html

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