{"id":"CVE-2023-51440","state":"PUBLISHED","title":"A vulnerability has been identified in SIMATIC CP 343-1 (6GK7343-1EX30-0XE0) (All versions), SIMATIC CP 343-1 Lean (6GK7343-1CX10-0XE0) (All versions), SIPLUS NET CP 343-1 (6AG1343","description":"A vulnerability has been identified in SIMATIC CP 343-1 (6GK7343-1EX30-0XE0) (All versions), SIMATIC CP 343-1 Lean (6GK7343-1CX10-0XE0) (All versions), SIPLUS NET CP 343-1 (6AG1343-1EX30-7XE0) (All versions), SIPLUS NET CP 343-1 Lean (6AG1343-1CX10-2XE0) (All versions). Affected products incorrectly validate TCP sequence numbers. This could allow an unauthenticated remote attacker to create a denial of service condition by injecting spoofed TCP RST packets.","publishedAt":"2024-02-13T09:00:04.702Z","updatedAt":"2024-08-02T22:32:10.181Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:T/RC:C","source":"siemens"},"assigner":"siemens","products":["Siemens SIMATIC CP 343-1","Siemens SIMATIC CP 343-1 Lean","Siemens SIPLUS NET CP 343-1","Siemens SIPLUS NET CP 343-1 Lean"],"affected":[{"vendor":"Siemens","product":"SIMATIC CP 343-1","defaultStatus":"unknown","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC CP 343-1 Lean","defaultStatus":"unknown","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Siemens","product":"SIPLUS NET CP 343-1","defaultStatus":"unknown","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Siemens","product":"SIPLUS NET CP 343-1 Lean","defaultStatus":"unknown","versions":[{"version":"All versions","status":"affected"}]}],"references":["https://cert-portal.siemens.com/productcert/html/ssa-516818.html"],"weaknesses":["CWE-940"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/51xxx/CVE-2023-51440.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-51440","state":"PUBLISHED","datePublished":"2024-02-13T09:00:04.702Z","dateUpdated":"2024-08-02T22:32:10.181Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2023-12-19T12:49:24.031Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC CP 343-1 (6GK7343-1EX30-0XE0) (All versions), SIMATIC CP 343-1 Lean (6GK7343-1CX10-0XE0) (All versions), SIPLUS NET CP 343-1 (6AG1343-1EX30-7XE0) (All versions), SIPLUS NET CP 343-1 Lean (6AG1343-1CX10-2XE0) (All versions). Affected products incorrectly validate TCP sequence numbers. This could allow an unauthenticated remote attacker to create a denial of service condition by injecting spoofed TCP RST packets."}],"affected":[{"vendor":"Siemens","product":"SIMATIC CP 343-1","defaultStatus":"unknown","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Siemens","product":"SIMATIC CP 343-1 Lean","defaultStatus":"unknown","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Siemens","product":"SIPLUS NET CP 343-1","defaultStatus":"unknown","versions":[{"version":"All versions","status":"affected"}]},{"vendor":"Siemens","product":"SIPLUS NET CP 343-1 Lean","defaultStatus":"unknown","versions":[{"version":"All versions","status":"affected"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-516818.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:H/E:P/RL:T/RC:C","baseScore":7.5,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-940","lang":"en","description":"CWE-940: Improper Verification of Source of a Communication Channel","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateUpdated":"2024-02-13T09:00:04.702Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-51440","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-02-21T20:12:53.508055Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-04T17:20:22.538Z"}},{"title":"CVE Program Container","references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-516818.html","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T22:32:10.181Z"}}]}}}