CVE-2024-21495

{"id": "CVE-2024-21495", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-21495", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2024-08-27T14:43:33.776898Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "report@snyk.io", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "report@snyk.io", "affectedData": [{"vendor": "n/a", "product": "github.com/greenpau/caddy-security", "versions": [{"status": "affected", "version": "0", "lessThan": "1.0.42", "versionType": "semver"}]}]}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "affectedData": [{"cpes": ["cpe:2.3:a:authcrunch:caddy_security:*:*:*:*:*:*:*:*"], "vendor": "authcrunch", "product": "caddy_security", "versions": [{"status": "affected", "version": "0", "lessThan": "1.0.42", "versionType": "custom"}], "defaultStatus": "unknown"}]}], "published": "2024-02-17T05:15:09.343", "references": [{"url": "https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/", "tags": ["Third Party Advisory"], "source": "report@snyk.io"}, {"url": "https://github.com/greenpau/caddy-security/issues/265", "tags": ["Issue Tracking"], "source": "report@snyk.io"}, {"url": "https://github.com/greenpau/go-authcrunch/commit/ecd3725baf2683eb1519bb3c81ae41085fbf7dc2", "tags": ["Patch"], "source": "report@snyk.io"}, {"url": "https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6248275", "tags": ["Third Party Advisory"], "source": "report@snyk.io"}, {"url": "https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/greenpau/caddy-security/issues/265", "tags": ["Issue Tracking"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/greenpau/go-authcrunch/commit/ecd3725baf2683eb1519bb3c81ae41085fbf7dc2", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6248275", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "report@snyk.io", "description": [{"lang": "en", "value": "CWE-330"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-330"}]}], "descriptions": [{"lang": "en", "value": "Versions of the package github.com/greenpau/caddy-security before 1.0.42 are vulnerable to Insecure Randomness due to using an insecure random number generation library which could possibly be predicted via a brute-force search. Attackers could use the potentially predictable nonce value used for authentication purposes in the OAuth flow to conduct OAuth replay attacks. In addition, insecure randomness is used while generating multifactor authentication (MFA) secrets and creating API keys in the database package."}, {"lang": "es", "value": "Las versiones del paquete github.com/greenpau/caddy-security anteriores a la 1.0.42 son vulnerables a la aleatoriedad insegura debido al uso de una librer\u00eda de generaci\u00f3n de n\u00fameros aleatorios insegura que posiblemente podr\u00eda predecirse mediante una b\u00fasqueda de fuerza bruta. Los atacantes podr\u00edan utilizar el valor nonce potencialmente predecible utilizado con fines de autenticaci\u00f3n en el flujo de OAuth para realizar ataques de reproducci\u00f3n de OAuth. Adem\u00e1s, se utiliza aleatoriedad insegura al generar secretos de autenticaci\u00f3n multifactor (MFA) y crear claves API en el paquete de base de datos."}], "lastModified": "2026-06-17T07:09:36.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:greenpau:caddy-security:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9E38C1D1-8679-4D77-858C-E2DCDAC2440C", "versionEndExcluding": "1.0.42"}], "operator": "OR"}]}], "sourceIdentifier": "report@snyk.io"}