CVE-2021-33842

{"containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "SGE-PLC1000", "vendor": "Circutor", "versions": [{"status": "affected", "version": "0.9.2b"}]}], "credits": [{"lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "Industrial Cybersecurity team of S21sec, special mention to Aar\u00f3n Flecha Men\u00e9ndez."}], "datePublic": "2021-06-07T22:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Improper Authentication vulnerability in the cookie parameter of Circutor SGE-PLC1000 firmware version 0.9.2b allows an attacker to perform operations as an authenticated user. 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "SGE-PLC1000", "vendor": "Circutor", "versions": [{"status": "affected", "version": "0.9.2b"}]}], "source": "cve-coordination@incibe.es"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:circutor:sge-plc1000_firmware:0.9.2b:*:*:*:*:*:*:*", "matchCriteriaId": "5D6B02E0-DE36-45F5-AD3D-908E30548661", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:circutor:sge-plc1000:-:*:*:*:*:*:*:*", "matchCriteriaId": "FFF41215-1018-42DD-9A7E-BBC2E5B4522D", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Authentication vulnerability in the cookie parameter of Circutor SGE-PLC1000 firmware version 0.9.2b allows an attacker to perform operations as an authenticated user. In order to exploit this vulnerability, the attacker must be within the network where the device affected is located."}, {"lang": "es", "value": "Una vulnerabilidad de Autenticaci\u00f3n Inapropiada en el par\u00e1metro cookies de Circutor SGE-PLC1000 versi\u00f3n del firmware 0.9.2b, permite a un atacante llevar a cabo operaciones como un usuario autenticado. Para explotar esta vulnerabilidad, el atacante debe estar dentro de la red donde se encuentra el dispositivo afectado"}], "id": "CVE-2021-33842", "lastModified": "2026-06-17T03:55:17.827", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 7.7, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:A/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 5.1, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "cve-coordination@incibe.es", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-09T12:15:07.957", "references": [{"source": "cve-coordination@incibe.es", "url": "https://www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-improper-authentication"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-improper-authentication"}], "sourceIdentifier": "cve-coordination@incibe.es", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-565"}], "source": "cve-coordination@incibe.es", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-565"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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