{"id": "CVE-2024-38270", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@zyxel.com.tw", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.6}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2024-09-10T02:15:09.780", "references": [{"url": "https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-insufficient-entropy-vulnerability-for-web-authentication-tokens-generation-in-gs1900-series-switches-09-10-2024", "tags": ["Vendor Advisory"], "source": "security@zyxel.com.tw"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security@zyxel.com.tw", "description": [{"lang": "en", "value": "CWE-331"}]}], "descriptions": [{"lang": "en", "value": "An insufficient entropy vulnerability caused by the improper use of a randomness function with low entropy for web authentication tokens generation exists in the Zyxel GS1900-10HP firmware version V2.80(AAZI.0)C0. This vulnerability could allow a LAN-based attacker a slight chance to gain a valid session token if multiple authenticated sessions are alive."}, {"lang": "es", "value": "Existe una vulnerabilidad de entrop\u00eda insuficiente causada por el uso indebido de una funci\u00f3n de aleatoriedad con baja entrop\u00eda para la generaci\u00f3n de tokens de autenticaci\u00f3n web en la versi\u00f3n de firmware V2.80(AAZI.0)C0 de Zyxel GS1900-10HP. Esta vulnerabilidad podr\u00eda permitir que un atacante basado en LAN tenga una peque\u00f1a posibilidad de obtener un token de sesi\u00f3n v\u00e1lido si hay varias sesiones autenticadas activas."}], "lastModified": "2024-09-18T18:23:40.977", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:gs1900-48hpv2_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ACACFF77-1C3D-4DBA-A179-500B5602ED46", "versionEndExcluding": "2.80\\(abtq.1\\)c0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:gs1900-48hpv2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "BC74C679-6D22-47E4-AE8A-2647B1AA4276"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:gs1900-48_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F2E6F4E-9DA0-4AFB-B4A3-7C3E611DA2FA", "versionEndExcluding": "2.80\\(aahn.1\\)c0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:gs1900-48:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CFB7D4BF-7D17-48D3-990D-4BADAC8BD868"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:gs1900-24hpv2_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B3539C1D-6C16-4DFB-A601-F5346071F4D7", "versionEndExcluding": "2.80\\(abtp.1\\)c0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:gs1900-24hpv2:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "512D9A91-8DA7-47F1-AC77-AF743F99BFF3"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:gs1900-24ep_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF16626B-7BBE-4BFF-A60E-02B0B1243217", "versionEndExcluding": "2.80\\(abto.1\\)c0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:gs1900-24ep:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "B22AA8B1-11E2-408F-A1F6-0F8AF32AB131"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:gs1900-24e_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8AE67A4-4CCE-4E95-840D-CB6F4F6FB00F", "versionEndIncluding": "2.80\\(aahk.1\\)c0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:gs1900-24e:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A6456AD6-8A1D-4D3D-AC1A-ABE442242B1B"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:gs1900-24_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "441A359C-A00E-4B96-A321-F769259871B7", "versionEndIncluding": "2.80\\(aahl.1\\)c0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:gs1900-24:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F4F55299-70D5-4CE1-A1EC-D79B469B94F7"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:gs1900-16_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A657FCE5-BA80-4E22-934A-3B632A9200D7", "versionEndExcluding": "2.80\\(aahj.1\\)c0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:gs1900-16:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "5078F7A5-D03B-4D3A-9C19-57DFF4D6BF7A"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:gs1900-10hp_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4503BD65-51A5-4626-9076-021E6F7DF0B8", "versionEndExcluding": "2.80\\(aazi.1\\)c0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:gs1900-10hp:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "89201505-07AF-4F9C-9304-46F2707DB9B4"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:gs1900-8hp_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "96F5E646-4DFD-4476-9D8B-9A8919C1F261", "versionEndExcluding": "2.80\\(aahi.1\\)c0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:gs1900-8hp:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "27602862-EFB7-402B-994E-254A0B210820"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:zyxel:gs1900-8_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "87482A53-9933-4A0B-9831-F16AF9CBFB46", "versionEndExcluding": "2.80\\(aahh.1\\)c0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:zyxel:gs1900-8:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "51D33F50-B5A4-4AEF-972C-7FF089C21D52"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "security@zyxel.com.tw"}
