CVE-2021-32541

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{"affected": [{"affectedData": [{"product": "CTS Web", "vendor": "SysJust", "versions": [{"lessThanOrEqual": "released 2021.3.25", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "twcert@cert.org.tw"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:sysjust:cts_web:*:*:*:*:*:*:*:*", "matchCriteriaId": "C5DB6391-81C8-47A2-A1F2-1B127E1FFC7E", "versionEndExcluding": "2021.3.24", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The CTS Web transaction system related to authentication and session management is implemented incorrectly, which allows remote unauthenticated attackers can send a large number of valid usernames, and force those logged-in account to log out, causing the user to be unable to access the services"}, {"lang": "es", "value": "El sistema de transacciones CTS Web relacionado con la autenticaci\u00f3n y la gesti\u00f3n de sesiones es implementado incorrectamente, lo que permite a atacantes remotos no autenticados enviar una gran cantidad de nombres de usuario v\u00e1lidos y forzar a las personas que han iniciado sesi\u00f3n a cerrar la sesi\u00f3n, causando que el usuario no pueda acceder a los servicios"}], "id": "CVE-2021-32541", "lastModified": "2026-06-17T03:53:08.417", "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": "twcert@cert.org.tw", "type": "Secondary"}]}, "published": "2021-05-28T08:15:07.057", "references": [{"source": "twcert@cert.org.tw", "tags": ["Third Party Advisory"], "url": "https://www.chtsecurity.com/news/40e165e2-e539-49bc-bcf1-e3b27c29e344"}, {"source": "twcert@cert.org.tw", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-4757-893eb-1.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.chtsecurity.com/news/40e165e2-e539-49bc-bcf1-e3b27c29e344"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-4757-893eb-1.html"}], "sourceIdentifier": "twcert@cert.org.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

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