{"id":"CVE-2023-52891","state":"PUBLISHED","title":"A vulnerability has been identified in SIMATIC Energy Manager Basic (All versions < V7.5), SIMATIC Energy Manager PRO (All versions < V7.5), SIMATIC IPC DiagBase (All versions), SI","description":"A vulnerability has been identified in SIMATIC Energy Manager Basic (All versions < V7.5), SIMATIC Energy Manager PRO (All versions < V7.5), SIMATIC IPC DiagBase (All versions), SIMATIC IPC DiagMonitor (All versions), SIMIT V10 (All versions), SIMIT V11 (All versions < V11.1). Unified Automation .NET based OPC UA Server SDK before 3.2.2 used in Siemens products are affected by a similar vulnerability as documented in CVE-2023-27321 for the OPC Foundation UA .NET Standard implementation. A successful attack may lead to high load situation and memory exhaustion, and may block the server.","publishedAt":"2024-07-09T12:04:42.619Z","updatedAt":"2025-08-27T20:42:53.094Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","source":"siemens"},"assigner":"siemens","products":["Siemens SIMATIC Energy Manager Basic","Siemens SIMATIC Energy Manager PRO","Siemens SIMATIC IPC DiagBase","Siemens SIMATIC IPC DiagMonitor","Siemens SIMIT V10","Siemens SIMIT V11"],"affected":[{"vendor":"Siemens","product":"SIMATIC Energy Manager Basic","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V7.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC Energy Manager PRO","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V7.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC DiagBase","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC DiagMonitor","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMIT V10","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMIT V11","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V11.1","versionType":"custom"}]}],"references":["https://cert-portal.siemens.com/productcert/html/ssa-088132.html"],"weaknesses":["CWE-1325"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52891.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-52891","state":"PUBLISHED","datePublished":"2024-07-09T12:04:42.619Z","dateUpdated":"2025-08-27T20:42:53.094Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2024-06-21T15:06:40.772Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC Energy Manager Basic (All versions < V7.5), SIMATIC Energy Manager PRO (All versions < V7.5), SIMATIC IPC DiagBase (All versions), SIMATIC IPC DiagMonitor (All versions), SIMIT V10 (All versions), SIMIT V11 (All versions < V11.1). Unified Automation .NET based OPC UA Server SDK before 3.2.2 used in Siemens products are affected by a similar vulnerability as documented in CVE-2023-27321 for the OPC Foundation UA .NET Standard implementation. A successful attack may lead to high load situation and memory exhaustion, and may block the server."}],"affected":[{"vendor":"Siemens","product":"SIMATIC Energy Manager Basic","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V7.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC Energy Manager PRO","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V7.5","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC DiagBase","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC IPC DiagMonitor","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMIT V10","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMIT V11","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V11.1","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-088132.html"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1325","lang":"en","description":"CWE-1325: Improperly Controlled Sequential Memory Allocation","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateUpdated":"2024-07-09T12:04:42.619Z"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"siemens","product":"simatic_energy_manager_basic","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V7.5","versionType":"custom"}],"cpes":["cpe:2.3:a:siemens:simatic_energy_manager_basic:*:*:*:*:*:*:*:*"]},{"vendor":"siemens","product":"simatic_energy_manager_pro","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V7.5","versionType":"custom"}],"cpes":["cpe:2.3:a:siemens:simatic_energy_manager_pro:*:*:*:*:*:*:*:*"]},{"vendor":"siemens","product":"simatic_ipc_diagbase","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"*","versionType":"custom"}],"cpes":["cpe:2.3:h:siemens:simatic_ipc_diagbase:-:*:*:*:*:*:*:*"]},{"vendor":"siemens","product":"simatic_ipc_diagmonitor","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"*","versionType":"custom"}],"cpes":["cpe:2.3:h:siemens:simatic_ipc_diagmonitor:-:*:*:*:*:*:*:*"]},{"vendor":"siemens","product":"simit_v10","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThanOrEqual":"*","versionType":"custom"}],"cpes":["cpe:2.3:a:siemens:simit_v10:*:*:*:*:*:*:*:*"]},{"vendor":"siemens","product":"simit_v11","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V11.1","versionType":"custom"}],"cpes":["cpe:2.3:a:siemens:simit_v11:*:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-52891","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-07-09T13:26:14.481281Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-08-27T20:42:53.094Z"}},{"title":"CVE Program Container","references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-088132.html","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T23:18:41.378Z"}}]}}}