{"id":"CVE-2023-38562","state":"PUBLISHED","title":"A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted set of network packets can lead to mem","description":"A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted set of network packets can lead to memory corruption, potentially resulting in code execution. An attacker can send a sequence of unauthenticated packets to trigger this vulnerability.","publishedAt":"2024-02-20T14:45:02.733Z","updatedAt":"2025-11-04T18:15:51.871Z","severity":{"score":8.7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H","source":"talos"},"assigner":"talos","products":["Weston Embedded uC-TCP-IP"],"affected":[{"vendor":"Weston Embedded","product":"uC-TCP-IP","versions":[{"version":"v3.06.01","status":"affected"}]}],"references":["https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829","https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1829"],"weaknesses":["CWE-415"],"ingestedAt":"2026-10-29T20:06:08.715Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/38xxx/CVE-2023-38562.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-38562","state":"PUBLISHED","datePublished":"2024-02-20T14:45:02.733Z","dateUpdated":"2025-11-04T18:15:51.871Z","assignerShortName":"talos","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateReserved":"2023-08-03T21:04:53.424Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A double-free vulnerability exists in the IP header loopback parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted set of network packets can lead to memory corruption, potentially resulting in code execution. An attacker can send a sequence of unauthenticated packets to trigger this vulnerability."}],"affected":[{"vendor":"Weston Embedded","product":"uC-TCP-IP","versions":[{"version":"v3.06.01","status":"affected"}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.7,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-415","lang":"en","description":"CWE-415: Double Free","type":"CWE"}]}],"providerMetadata":{"shortName":"talos","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateUpdated":"2024-02-20T18:00:11.491Z"},"credits":[{"lang":"en","value":"Discovered by Kelly Patterson of Cisco Talos."}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1829","tags":["x_transferred"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1829"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-04T18:15:51.871Z"}},{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"weston-embedded","product":"uc-tcp-ip","defaultStatus":"unknown","versions":[{"version":"3.06.01","status":"affected"}],"cpes":["cpe:2.3:a:weston-embedded:uc-tcp-ip:*:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-21T14:03:15.279640Z","id":"CVE-2023-38562","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-08-21T14:08:48.788Z"}}]}}}