{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-45237","assignerOrgId":"65518388-201a-4f93-8712-366d21fe8d2c","state":"PUBLISHED","assignerShortName":"TianoCore","dateReserved":"2023-10-05T20:48:19.879Z","datePublished":"2024-01-16T16:11:11.556Z","dateUpdated":"2025-11-04T18:17:42.321Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"edk2","vendor":"TianoCore","versions":[{"status":"affected","version":"edk2-stable202308"}]}],"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Quarkslab Vulnerability Reports Team"},{"lang":"en","type":"remediation developer","user":"00000000-0000-4000-9000-000000000000","value":"Doug Flick"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality."}],"value":"EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality."}],"impacts":[{"capecId":"CAPEC-13","descriptions":[{"lang":"en","value":"CAPEC-13 Subverting Environment Variable Values"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-338","description":"CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"65518388-201a-4f93-8712-366d21fe8d2c","shortName":"TianoCore","dateUpdated":"2024-03-07T17:06:47.741Z"},"references":[{"url":"https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"},{"url":"http://www.openwall.com/lists/oss-security/2024/01/16/2"},{"url":"https://security.netapp.com/advisory/ntap-20240307-0011/"}],"source":{"discovery":"UNKNOWN"},"title":"Use of a Weak PseudoRandom Number Generator in EDK II Network Package","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h","tags":["x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2024/01/16/2","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20240307-0011/","tags":["x_transferred"]},{"url":"https://www.kb.cert.org/vuls/id/132380"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-04T18:17:42.321Z"}},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-11-13T19:58:00.747301Z","id":"CVE-2023-45237","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"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":"2024-11-13T19:58:20.536Z"}}]}}