CVE-2021-22948

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{"affected": [{"affectedData": [{"product": "https://github.com/revive-adserver/revive-adserver", "vendor": "n/a", "versions": [{"status": "affected", "version": "Fixed version v5.3.0"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*", "matchCriteriaId": "83BEB88E-698A-452B-8523-F8FB093C7AE6", "versionEndExcluding": "5.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:revive-adserver:revive_adserver:5.3.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "842527A6-A5A8-4FBA-A52C-51F19EFA2B6B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vulnerability in the generation of session IDs in revive-adserver < 5.3.0, based on the cryptographically insecure uniqid() PHP function. Under some circumstances, an attacker could theoretically be able to brute force session IDs in order to take over a specific account."}, {"lang": "es", "value": "Una vulnerabilidad en la generaci\u00f3n de IDs de sesi\u00f3n en revive-adserver versiones anteriores a 5.3.0, basada en la funci\u00f3n PHP uniqid() criptogr\u00e1ficamente no segura. Bajo algunas circunstancias, un atacante podr\u00eda te\u00f3ricamente ser capaz de forzar los ID de sesi\u00f3n para hacerse con una cuenta espec\u00edfica"}], "id": "CVE-2021-22948", "lastModified": "2026-06-17T03:38:05.443", "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}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-23T13:15:08.760", "references": [{"source": "support@hackerone.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://hackerone.com/reports/1187820"}, {"source": "support@hackerone.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.revive-adserver.com/security/revive-sa-2021-005/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://hackerone.com/reports/1187820"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://www.revive-adserver.com/security/revive-sa-2021-005/"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-338"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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