CVE-2021-22945

{"id": "CVE-2021-22945", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2021-09-23T13:15:08.690", "references": [{"url": "http://seclists.org/fulldisclosure/2022/Mar/29", "tags": ["Mailing List", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf", "tags": ["Patch", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://hackerone.com/reports/1269242", "tags": ["Exploit", "Patch", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/", "tags": ["Mailing List", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/", "tags": ["Mailing List", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://security.gentoo.org/glsa/202212-01", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://security.netapp.com/advisory/ntap-20211029-0003/", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://support.apple.com/kb/HT213183", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://www.debian.org/security/2022/dsa-5197", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://www.oracle.com/security-alerts/cpuoct2021.html", "tags": ["Patch", "Third Party Advisory"], "source": "support@hackerone.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-415"}]}, {"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-415"}]}], "descriptions": [{"lang": "en", "value": "When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*."}, {"lang": "es", "value": "Cuando se env\u00edan datos a un servidor MQTT, libcurl versiones anteriores a 7.73.0, incluy\u00e9ndola y 7.78.0, podr\u00eda en algunas circunstancias, mantener err\u00f3neamente un puntero a un \u00e1rea de memoria ya liberada y usarlo de nuevo en una llamada posterior para enviar datos y tambi\u00e9n liberarlo *de nuevo*"}], "lastModified": "2024-03-27T15:04:30.460", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9F299899-24BA-432D-818D-32546C576E9B", "versionEndIncluding": "7.78.0", "versionStartIncluding": "7.73.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": 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