CVE-2021-21728

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{"affected": [{"affectedData": [{"product": "ZXA10 C300M", "vendor": "n/a", "versions": [{"status": "affected", "version": "all versions up to V4.3P8"}]}], "source": "psirt@zte.com.cn"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zte:zxa10_c300m_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "90C656D6-2092-4879-B464-4FEA3296322B", "versionEndExcluding": "4.5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:zte:zxa10_c300m:-:*:*:*:*:*:*:*", "matchCriteriaId": "D99A22A2-6EFD-432D-B01E-4DCD956396A3", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A ZTE product has a configuration error vulnerability. Because a certain port is open by default, an attacker can consume system processing resources by flushing a large number of packets to the port, and successfully exploiting this vulnerability could reduce system processing capabilities. This affects: ZXA10 C300M all versions up to V4.3P8."}, {"lang": "es", "value": "Un producto ZTE presenta una vulnerabilidad de error de configuraci\u00f3n. Debido a que un determinado puerto est\u00e1 abierto por defecto, un atacante puede consumir recursos de procesamiento del sistema al descargar una gran cantidad de paquetes en el puerto, y explotar con \u00e9xito esta vulnerabilidad podr\u00eda reducir las capacidades de procesamiento del sistema. Esto afecta: ZXA10 C300M todas las versiones hasta V4.3P8"}], "id": "CVE-2021-21728", "lastModified": "2026-06-17T03:36:03.040", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-09T18:15:13.833", "references": [{"source": "psirt@zte.com.cn", "tags": ["Vendor Advisory"], "url": "https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014784"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014784"}], "sourceIdentifier": "psirt@zte.com.cn", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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