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Access to privileged operations on the maintenance port TELNET interface (23/TCP) on M-series and SIS (CSLS/LSNB/LSNG) nodes is controlled by means of utility passwords. These passwords are generated using a deterministic, insecure algorithm using a single seed value composed of a day/hour/minute timestamp with less than 16 bits of entropy. The seed value is fed through a lookup table and a series of permutation operations resulting in three different four-character passwords corresponding to different privilege levels. An attacker can easily reconstruct these passwords and thus gain access to privileged maintenance operations. NOTE: this is different from CVE-2014-2350."}, {"lang": "es", "value": "Los controladores del Sistema de Control Distribuido (DCS) de Emerson DeltaV y las tarjetas IO versiones hasta 29-04-2022, hacen un uso inapropiado de las contrase\u00f1as. El acceso a las operaciones privilegiadas en la interfaz TELNET del puerto de mantenimiento (23/TCP) en los nodos de la serie M y SIS (CSLS/LSNB/LSNG) es controlado mediante contrase\u00f1as de utilidad. Estas contrase\u00f1as son generadas mediante un algoritmo determinista y no seguro usando un \u00fanico valor semilla compuesto por una marca de tiempo de d\u00eda/hora/minuto con menos de 16 bits de entrop\u00eda. El valor de la semilla es alimentado mediante una tabla de b\u00fasqueda y una serie de operaciones de permutaci\u00f3n resultando en tres contrase\u00f1as diferentes de cuatro caracteres correspondientes a diferentes niveles de privilegio. Un atacante puede reconstruir f\u00e1cilmente estas contrase\u00f1as y as\u00ed conseguir acceso a operaciones de mantenimiento privilegiadas. NOTA: esto es diferente de CVE-2014-2350."}], "id": "CVE-2022-29965", "lastModified": "2023-01-24T16:06:41.127", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-07-26T22:15:11.183", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-181-03"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.forescout.com/blog/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-327"}], "source": "nvd@nist.gov", "type": "Primary"}]}