{"containers": {"cna": {"affected": [{"product": "star7th/showdoc", "vendor": "star7th", "versions": [{"lessThan": "2.9.13", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "showdoc is vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)"}], "metrics": [{"cvssV3_0": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-338", "description": "CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-12-01T10:50:10.000Z", "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntrdev"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://huntr.dev/bounties/0680067d-56a7-4412-b06e-a267e850ae9f"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/star7th/showdoc/commit/a9886f26c08225e0adca75c67dfca3f7c42b87d0"}], "source": {"advisory": "0680067d-56a7-4412-b06e-a267e850ae9f", "discovery": "EXTERNAL"}, "title": "Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in star7th/showdoc", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@huntr.dev", "ID": "CVE-2021-3990", "STATE": "PUBLIC", "TITLE": "Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in star7th/showdoc"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "star7th/showdoc", "version": {"version_data": [{"version_affected": "<", "version_value": "2.9.13"}]}}]}, "vendor_name": "star7th"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "showdoc is vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)"}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)"}]}]}, "references": {"reference_data": [{"name": "https://huntr.dev/bounties/0680067d-56a7-4412-b06e-a267e850ae9f", "refsource": "CONFIRM", "url": "https://huntr.dev/bounties/0680067d-56a7-4412-b06e-a267e850ae9f"}, {"name": "https://github.com/star7th/showdoc/commit/a9886f26c08225e0adca75c67dfca3f7c42b87d0", "refsource": "MISC", "url": "https://github.com/star7th/showdoc/commit/a9886f26c08225e0adca75c67dfca3f7c42b87d0"}]}, "source": {"advisory": "0680067d-56a7-4412-b06e-a267e850ae9f", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:16:03.673Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://huntr.dev/bounties/0680067d-56a7-4412-b06e-a267e850ae9f"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/star7th/showdoc/commit/a9886f26c08225e0adca75c67dfca3f7c42b87d0"}]}]}, "cveMetadata": {"assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "assignerShortName": "@huntrdev", "cveId": "CVE-2021-3990", "datePublished": "2021-12-01T10:50:10.000Z", "dateReserved": "2021-11-20T00:00:00.000Z", "dateUpdated": "2024-08-03T17:16:03.673Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "star7th/showdoc", "vendor": "star7th", "versions": [{"lessThan": "2.9.13", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@huntr.dev"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:showdoc:showdoc:*:*:*:*:*:*:*:*", "matchCriteriaId": "3ED61945-F39E-4395-BA12-8F3F8A7E55A0", "versionEndExcluding": "2.9.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "showdoc is vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)"}, {"lang": "es", "value": "showdoc es vulnerable al Uso de un Generador de N\u00fameros Pseudoaleatorios (PRNG) Criptogr\u00e1ficamente D\u00e9bil"}], "id": "CVE-2021-3990", "lastModified": "2026-06-17T04:06:21.100", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 3.7, "source": "security@huntr.dev", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-01T11:15:07.977", "references": [{"source": "security@huntr.dev", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/star7th/showdoc/commit/a9886f26c08225e0adca75c67dfca3f7c42b87d0"}, {"source": "security@huntr.dev", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/0680067d-56a7-4412-b06e-a267e850ae9f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/star7th/showdoc/commit/a9886f26c08225e0adca75c67dfca3f7c42b87d0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/0680067d-56a7-4412-b06e-a267e850ae9f"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-338"}], "source": "security@huntr.dev", "type": "Secondary"}]}

{}

{}