CVE-2018-16495

{"containers": {"cna": {"affected": [{"product": "Versa VOS", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed Versions: 16.1R2S11, 20.2.2, 21.1.1, 21.2.1"}]}], "descriptions": [{"lang": "en", "value": "In VOS user session identifier (authentication token) is issued to the browser prior to authentication but is not changed after the user successfully logs into the application. Failing to issue a new session ID following a successful login introduces the possibility for an attacker to set up a trap session on the device the victim is likely to login with."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-384", "description": "Session Fixation (CWE-384)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-05-26T18:46:08.000Z", "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://hackerone.com/reports/1168192"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "support@hackerone.com", "ID": "CVE-2018-16495", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Versa VOS", "version": {"version_data": [{"version_value": "Fixed Versions: 16.1R2S11, 20.2.2, 21.1.1, 21.2.1"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In VOS user session identifier (authentication token) is issued to the browser prior to authentication but is not changed after the user successfully logs into the application. Failing to issue a new session ID following a successful login introduces the possibility for an attacker to set up a trap session on the device the victim is likely to login with."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Session Fixation (CWE-384)"}]}]}, "references": {"reference_data": [{"name": "https://hackerone.com/reports/1168192", "refsource": "MISC", "url": "https://hackerone.com/reports/1168192"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T10:24:32.613Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://hackerone.com/reports/1168192"}]}]}, "cveMetadata": {"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "assignerShortName": "hackerone", "cveId": "CVE-2018-16495", "datePublished": "2021-05-26T18:46:08.000Z", "dateReserved": "2018-09-04T00:00:00.000Z", "dateUpdated": "2024-08-05T10:24:32.613Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Versa VOS", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed Versions: 16.1R2S11, 20.2.2, 21.1.1, 21.2.1"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:versa-networks:versa_operating_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "1E264C13-0CD8-49FB-868D-1CCF44906CDA", "versionEndExcluding": "16.1r2s11", "vulnerable": true}, {"criteria": "cpe:2.3:o:versa-networks:versa_operating_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "17ECACF2-A7D9-498F-AB4F-FEA707EC4D59", "versionEndExcluding": "20.2.2", "versionStartIncluding": "20.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:versa-networks:versa_operating_system:*:*:*:*:*:*:*:*", "matchCriteriaId": "76D6FE42-92E1-4CBE-B1EC-AD4D017127CB", "versionEndExcluding": "21.1.1", "versionStartIncluding": "21.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In VOS user session identifier (authentication token) is issued to the browser prior to authentication but is not changed after the user successfully logs into the application. Failing to issue a new session ID following a successful login introduces the possibility for an attacker to set up a trap session on the device the victim is likely to login with."}, {"lang": "es", "value": "En VOS, el identificador de sesi\u00f3n de usuario (token de autenticaci\u00f3n) es emitido al navegador antes de la autenticaci\u00f3n, pero no es cambiada despu\u00e9s de que el usuario inicia sesi\u00f3n con pexito en la aplicaci\u00f3n. Se produce un fallo en emitir una nueva ID de sesi\u00f3n despu\u00e9s de un inicio de sesi\u00f3n con \u00e9xito introduce la posibilidad para un atacante de configurar una sesi\u00f3n trampa en el dispositivo con el que es probable que la v\u00edctima inicie sesi\u00f3n"}], "id": "CVE-2018-16495", "lastModified": "2026-06-17T01:44:23.677", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-05-26T19:15:08.573", "references": [{"source": "support@hackerone.com", "tags": ["Third Party Advisory"], "url": "https://hackerone.com/reports/1168192"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://hackerone.com/reports/1168192"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-384"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-384"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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