CVE-2021-21352

{"containers": {"cna": {"affected": [{"product": "timetracker", "vendor": "anuko", "versions": [{"status": "affected", "version": "< 1.19.24.5415"}]}], "descriptions": [{"lang": "en", "value": "Anuko Time Tracker is an open source, web-based time tracking application written in PHP. In TimeTracker before version 1.19.24.5415 tokens used in password reset feature in Time Tracker are based on system time and, therefore, are predictable. This opens a window for brute force attacks to guess user tokens and, once successful, change user passwords, including that of a system administrator. This vulnerability is pathced in version 1.19.24.5415 (started to use more secure tokens) with an additional improvement in 1.19.24.5416 (limited an available window for brute force token guessing)."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-330", "description": "CWE-330: Use of Insufficiently Random Values", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-03-03T00:20:16.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.anuko.com/time-tracker/index.htm"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/anuko/timetracker/security/advisories/GHSA-43c9-rx4h-4gqq"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/anuko/timetracker/commit/40f3d9345adc20e6f28eb9f59e2489aff87fecf5"}], "source": {"advisory": "GHSA-43c9-rx4h-4gqq", "discovery": "UNKNOWN"}, "title": "Predictable tokens used for password resets", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21352", "STATE": "PUBLIC", "TITLE": "Predictable tokens used for password resets"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "timetracker", "version": {"version_data": [{"version_value": "< 1.19.24.5415"}]}}]}, "vendor_name": "anuko"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Anuko Time Tracker is an open source, web-based time tracking application written in PHP. In TimeTracker before version 1.19.24.5415 tokens used in password reset feature in Time Tracker are based on system time and, therefore, are predictable. This opens a window for brute force attacks to guess user tokens and, once successful, change user passwords, including that of a system administrator. This vulnerability is pathced in version 1.19.24.5415 (started to use more secure tokens) with an additional improvement in 1.19.24.5416 (limited an available window for brute force token guessing)."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-330: Use of Insufficiently Random Values"}]}]}, "references": {"reference_data": [{"name": "https://www.anuko.com/time-tracker/index.htm", "refsource": "MISC", "url": "https://www.anuko.com/time-tracker/index.htm"}, {"name": "https://github.com/anuko/timetracker/security/advisories/GHSA-43c9-rx4h-4gqq", "refsource": "CONFIRM", "url": "https://github.com/anuko/timetracker/security/advisories/GHSA-43c9-rx4h-4gqq"}, {"name": "https://github.com/anuko/timetracker/commit/40f3d9345adc20e6f28eb9f59e2489aff87fecf5", "refsource": "MISC", "url": "https://github.com/anuko/timetracker/commit/40f3d9345adc20e6f28eb9f59e2489aff87fecf5"}]}, "source": {"advisory": "GHSA-43c9-rx4h-4gqq", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:09:15.965Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.anuko.com/time-tracker/index.htm"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/anuko/timetracker/security/advisories/GHSA-43c9-rx4h-4gqq"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/anuko/timetracker/commit/40f3d9345adc20e6f28eb9f59e2489aff87fecf5"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-21352", "datePublished": "2021-03-03T00:20:16.000Z", "dateReserved": "2020-12-22T00:00:00.000Z", "dateUpdated": "2024-08-03T18:09:15.965Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "timetracker", "vendor": "anuko", "versions": [{"status": "affected", "version": "< 1.19.24.5415"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:anuko:time_tracker:*:*:*:*:*:*:*:*", "matchCriteriaId": "3F8654E7-D4A3-483D-8F9E-B0AEEF90DBE3", "versionEndExcluding": "1.19.24.5415", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Anuko Time Tracker is an open source, web-based time tracking application written in PHP. In TimeTracker before version 1.19.24.5415 tokens used in password reset feature in Time Tracker are based on system time and, therefore, are predictable. This opens a window for brute force attacks to guess user tokens and, once successful, change user passwords, including that of a system administrator. This vulnerability is pathced in version 1.19.24.5415 (started to use more secure tokens) with an additional improvement in 1.19.24.5416 (limited an available window for brute force token guessing)."}, {"lang": "es", "value": "Anuko Time Tracker es una aplicaci\u00f3n de seguimiento de tiempo de c\u00f3digo abierto basada en la web escrita en PHP.&#xa0;En TimeTracker anterior a la versi\u00f3n 1.19.24.5415, los tokens usados en la funcionalidad de restablecimiento de contrase\u00f1a en Time Tracker se basan en la hora del sistema y, por lo tanto, son predecibles.&#xa0;Esto abre una ventana para que los ataques de fuerza bruta adivinen los tokens de los usuarios y, una vez exitosos, cambien las contrase\u00f1as de los usuarios, incluyendo la de un administrador del sistema.&#xa0;Esta vulnerabilidad es parcheada en la versi\u00f3n 1.19.24.5415 (comenz\u00f3 a usar tokens m\u00e1s seguros) con una mejora adicional en la versi\u00f3n 1.19.24.5416 (una ventana disponible limitada para adivinar tokens por fuerza bruta)"}], "id": "CVE-2021-21352", "lastModified": "2026-06-17T03:35:22.370", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-03T01:15:13.427", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/anuko/timetracker/commit/40f3d9345adc20e6f28eb9f59e2489aff87fecf5"}, {"source": "security-advisories@github.com", "tags": ["Mitigation", "Third Party Advisory"], "url": "https://github.com/anuko/timetracker/security/advisories/GHSA-43c9-rx4h-4gqq"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://www.anuko.com/time-tracker/index.htm"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/anuko/timetracker/commit/40f3d9345adc20e6f28eb9f59e2489aff87fecf5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Third Party Advisory"], "url": "https://github.com/anuko/timetracker/security/advisories/GHSA-43c9-rx4h-4gqq"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.anuko.com/time-tracker/index.htm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-330"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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