CVE-2021-22958

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{"affected": [{"affectedData": [{"product": "https://github.com/concrete5/concrete5", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed in 8.5.5"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*", "matchCriteriaId": "C1F0AC3F-2B3D-474D-89AE-E36D5307AD12", "versionEndExcluding": "8.5.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A Server-Side Request Forgery vulnerability was found in concrete5 < 8.5.5 that allowed a decimal notation encoded IP address to bypass the limitations in place for localhost allowing interaction with local services. Impact can vary depending on services exposed.CVSSv2.0 AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N"}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad de tipo Server-Side Request Forgery en concrete5 versiones anteriores a 8.5.5, que permit\u00eda a una direcci\u00f3n IP codificada en notaci\u00f3n decimal omitir las limitaciones presentes para localhost permitiendo una interacci\u00f3n con servicios locales. El impacto puede variar dependiendo de los servicios expuestos.CVSS:v2.0 AV:A/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N"}], "id": "CVE-2021-22958", "lastModified": "2026-06-17T03:38:06.503", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "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": 9.8, "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-07T14:15:08.107", "references": [{"source": "support@hackerone.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://documentation.concretecms.org/developers/introduction/version-history/855-release-notes"}, {"source": "support@hackerone.com", "tags": ["Issue Tracking", "Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/863221"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://documentation.concretecms.org/developers/introduction/version-history/855-release-notes"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Permissions Required", "Third Party Advisory"], "url": "https://hackerone.com/reports/863221"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-918"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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