{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Pi-hole 5.0, 5.1, and 5.1.1 allows Session Fixation. The application does not generate a new session cookie after the user is logged in. A malicious user is able to create a new session cookie value and inject it to a victim. After the victim logs in, the injected cookie becomes valid, giving the attacker access to the user's account through the active session."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-02-18T19:26:56.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://discourse.pi-hole.net/c/announcements/5"}, {"tags": ["x_refsource_MISC"], "url": "https://n4nj0.github.io/advisories/pi-hole-multiple-vulnerabilities-i/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-35591", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Pi-hole 5.0, 5.1, and 5.1.1 allows Session Fixation. The application does not generate a new session cookie after the user is logged in. A malicious user is able to create a new session cookie value and inject it to a victim. After the victim logs in, the injected cookie becomes valid, giving the attacker access to the user's account through the active session."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://discourse.pi-hole.net/c/announcements/5", "refsource": "MISC", "url": "https://discourse.pi-hole.net/c/announcements/5"}, {"name": "https://n4nj0.github.io/advisories/pi-hole-multiple-vulnerabilities-i/", "refsource": "MISC", "url": "https://n4nj0.github.io/advisories/pi-hole-multiple-vulnerabilities-i/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T17:09:14.106Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://discourse.pi-hole.net/c/announcements/5"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://n4nj0.github.io/advisories/pi-hole-multiple-vulnerabilities-i/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-35591", "datePublished": "2021-02-18T19:26:56.000Z", "dateReserved": "2020-12-21T00:00:00.000Z", "dateUpdated": "2024-08-04T17:09:14.106Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:pi-hole:pi-hole:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "CD5CED91-AF0E-4ADE-809E-9AF90A555088", "vulnerable": true}, {"criteria": "cpe:2.3:a:pi-hole:pi-hole:5.1:*:*:*:*:*:*:*", "matchCriteriaId": "C9012FBB-21B7-4BBB-8651-DF36FAA8F4C2", "vulnerable": true}, {"criteria": "cpe:2.3:a:pi-hole:pi-hole:5.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "84256119-F680-4519-B2DF-FF6B2AD54C65", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Pi-hole 5.0, 5.1, and 5.1.1 allows Session Fixation. The application does not generate a new session cookie after the user is logged in. A malicious user is able to create a new session cookie value and inject it to a victim. After the victim logs in, the injected cookie becomes valid, giving the attacker access to the user's account through the active session."}, {"lang": "es", "value": "Pi-hole versiones 5.0, 5.1 y 5.1.1, permite una Fijaci\u00f3n de Sesi\u00f3n. La aplicaci\u00f3n no genera una nueva cookie de sesi\u00f3n despu\u00e9s de que el usuario inicia sesi\u00f3n. Un usuario malicioso puede crear un nuevo valor de cookie de sesi\u00f3n e inyectarlo a una v\u00edctima. Una vez que la v\u00edctima inicia sesi\u00f3n, la cookie inyectada se vuelve v\u00e1lida y le otorga al atacante acceso a la cuenta del usuario por medio de la sesi\u00f3n activa"}], "id": "CVE-2020-35591", "lastModified": "2026-06-17T03:13:59.790", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-18T20:15:12.290", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://discourse.pi-hole.net/c/announcements/5"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://n4nj0.github.io/advisories/pi-hole-multiple-vulnerabilities-i/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://discourse.pi-hole.net/c/announcements/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://n4nj0.github.io/advisories/pi-hole-multiple-vulnerabilities-i/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-384"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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