CVE-2020-29379

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:vsolcn:v1600d4l_firmware:1.01.49:*:*:*:*:*:*:*", "matchCriteriaId": "6441837A-B3BA-4CB6-8507-40D089DC82BA", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:vsolcn:v1600d4l:-:*:*:*:*:*:*:*", "matchCriteriaId": "DF4991AB-71EA-4DF1-8142-E13985017197", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:vsolcn:v1600d-mini_firmware:1.01.48:*:*:*:*:*:*:*", "matchCriteriaId": "C40945D6-0A82-4EF6-8665-E177184874DE", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:vsolcn:v1600d-mini:-:*:*:*:*:*:*:*", "matchCriteriaId": "B8407505-E9A3-4435-A8CC-70BD24245516", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered on V-SOL V1600D4L V1.01.49 and V1600D-MINI V1.01.48 OLT devices. During the process of updating the firmware, the update script starts a telnetd -l /bin/sh process that does not require authentication for TELNET access."}, {"lang": "es", "value": "Se detect\u00f3 un problema en los dispositivos OLT V-SOL V1600D4L versi\u00f3n V1.01.49 y V1600D-MINI versi\u00f3n V1.01.48. Durante el proceso de actualizaci\u00f3n del firmware, el script de actualizaci\u00f3n inicia un proceso telnetd -l /bin/sh que no requiere autenticaci\u00f3n para el acceso TELNET"}], "id": "CVE-2020-29379", "lastModified": "2026-06-17T03:11:14.763", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-11-29T01:15:11.083", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "https://seclists.org/fulldisclosure/2020/Jul/14"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "url": "https://seclists.org/fulldisclosure/2020/Jul/14"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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