{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-39540","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","state":"PUBLISHED","assignerShortName":"talos","dateReserved":"2023-08-03T20:35:34.512Z","datePublished":"2024-02-20T14:45:03.230Z","dateUpdated":"2025-11-04T18:16:34.752Z"},"containers":{"cna":{"affected":[{"vendor":"Silicon Labs","product":"Gecko Platform","versions":[{"version":"4.3.1.0","status":"affected"}]},{"vendor":"Weston Embedded","product":"uC-TCP-IP","versions":[{"version":"v3.06.01","status":"affected"}]}],"descriptions":[{"lang":"en","value":"A denial of service vulnerability exists in the ICMP and ICMPv6 parsing functionality of Weston Embedded uC-TCP-IP v3.06.01. A specially crafted network packet can lead to an out-of-bounds read. An attacker can send a malicious packet to trigger this vulnerability.This vulnerability concerns a denial of service within the parsing an IPv4 ICMP packet."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-126: Buffer Over-read","type":"CWE","cweId":"CWE-126"}]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM"}}],"providerMetadata":{"orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","shortName":"talos","dateUpdated":"2024-02-20T18:00:11.007Z"},"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828"}],"credits":[{"lang":"en","value":"Discovered by Francesco Benvenuto and Kelly Patterson of Cisco Talos."}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-07-22T16:36:16.594039Z","id":"CVE-2023-39540","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-07-22T16:36:22.424Z"}},{"title":"CVE Program Container","references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1828","tags":["x_transferred"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1828"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-04T18:16:34.752Z"}}]}}