Vulnerability Monitor

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CVE-2023-38380

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. SIPLUS variants) (All versions < V3.4.29), SIMATIC CP 1243-7 LTE (All versions < V3.4.29), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions < V3.4.29), SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.3), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.3), SIMATIC CP 1543-1 (6GK7543-1AX00-0XE0) (All versions < V3.0.37), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.3), SINAMICS S210 (6SL5...) (All versions >= V6.1 < V6.1 HF2), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.3), SIPLUS NET CP 1543-1 (6AG1543-1AX00-2XE0) (All versions < V3.0.37). The webserver implementation of the affected products does not correctly release allocated memory after it has been used. An attacker with network access could use this vulnerability to cause a denial-of-service condition in the webserver of the affected product.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 18 products from siemens, from siemens, from siemens and 15 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2023, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2023-12-12T12:15:11.477

Last Modified

2024-11-21T08:13:26.780

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

Weaknesses

Type: Secondary
CWE-401
Type: Primary
CWE-401

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	siemens	6gk7243-8rx30-0xe0_firmware	-	Yes
Hardware	siemens	6gk7243-8rx30-0xe0	-	No
Operating System	siemens	6gk7543-1ax00-0xe0_firmware	-	Yes
Hardware	siemens	6gk7543-1ax00-0xe0	-	No
Operating System	siemens	6ag1543-1ax00-2xe0_firmware	-	Yes
Hardware	siemens	6ag1543-1ax00-2xe0	-	No
Operating System	siemens	simatic_cp_1242-7_v2_firmware	-	Yes
Hardware	siemens	simatic_cp_1242-7_v2	-	No
Operating System	siemens	simatic_cp_1243-1_firmware	-	Yes
Hardware	siemens	simatic_cp_1243-1	-	No
Operating System	siemens	simatic_cp_1243-1_dnp3_firmware	-	Yes
Hardware	siemens	simatic_cp_1243-1_dnp3	-	No
Operating System	siemens	simatic_cp_1243-1_iec_firmware	-	Yes
Hardware	siemens	simatic_cp_1243-1_iec	-	No
Operating System	siemens	simatic_cp_1243-7_lte_firmware	-	Yes
Hardware	siemens	simatic_cp_1243-7_lte	*	No
Operating System	siemens	sinamics_s210_firmware	5.1	Yes
Operating System	siemens	sinamics_s210_firmware	5.1	Yes
Operating System	siemens	sinamics_s210_firmware	5.1	Yes
Operating System	siemens	sinamics_s210_firmware	5.2	Yes
Operating System	siemens	sinamics_s210_firmware	5.2	Yes
Operating System	siemens	sinamics_s210_firmware	5.2	Yes
Operating System	siemens	sinamics_s210_firmware	5.2	Yes
Operating System	siemens	sinamics_s210_firmware	5.2	Yes
Operating System	siemens	sinamics_s210_firmware	5.2	Yes
Operating System	siemens	sinamics_s210_firmware	5.2	Yes
Operating System	siemens	sinamics_s210_firmware	5.2	Yes
Operating System	siemens	sinamics_s210_firmware	5.2	Yes
Operating System	siemens	sinamics_s210_firmware	5.2	Yes
Operating System	siemens	sinamics_s210_firmware	6.1	Yes
Operating System	siemens	sinamics_s210_firmware	6.1	Yes
Hardware	siemens	sinamics_s210	-	No

References

https://cert-portal.siemens.com/productcert/html/ssa-139628.html ([email protected])
https://cert-portal.siemens.com/productcert/html/ssa-625862.html ([email protected])
https://cert-portal.siemens.com/productcert/html/ssa-693975.html ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-693975.pdf Vendor Advisory ([email protected])
https://cert-portal.siemens.com/productcert/html/ssa-139628.html (af854a3a-2127-422b-91ae-364da2661108)
https://cert-portal.siemens.com/productcert/html/ssa-625862.html (af854a3a-2127-422b-91ae-364da2661108)
https://cert-portal.siemens.com/productcert/html/ssa-693975.html (af854a3a-2127-422b-91ae-364da2661108)
https://cert-portal.siemens.com/productcert/pdf/ssa-693975.pdf Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For siemens's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.