CVE-2021-41036

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{"affected": [{"affectedData": [{"product": "Eclipse Paho MQTT C Client", "vendor": "The Eclipse Foundation", "versions": [{"lessThan": "1.1.0", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "emo@eclipse.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:eclipse:paho_mqtt_c\\/c\\+\\+_client:*:*:*:*:*:*:*:*", "matchCriteriaId": "D118B76A-6E83-4AB0-9701-6248169CB482", "versionEndExcluding": "1.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In versions prior to 1.1 of the Eclipse Paho MQTT C Client, the client does not check rem_len size in readpacket."}, {"lang": "es", "value": "En versiones anteriores a 1.1 de Eclipse Paho MQTT C Client, el cliente no comprueba el tama\u00f1o rem_len en readpacket"}], "id": "CVE-2021-41036", "lastModified": "2026-06-17T04:07:47.170", "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": "2021-11-03T00:15:08.023", "references": [{"source": "emo@eclipse.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/eclipse/paho.mqtt.embedded-c/issues/96"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/eclipse/paho.mqtt.embedded-c/issues/96"}], "sourceIdentifier": "emo@eclipse.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "emo@eclipse.org", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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