CVE-2024-20398

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An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the prompt. A successful exploit could allow the attacker to elevate privileges to root."}], "references": [{"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-priv-esc-CrG5vhCq", "name": "cisco-sa-iosxr-priv-esc-CrG5vhCq"}], "exploits": [{"lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."}], "source": {"advisory": "cisco-sa-iosxr-priv-esc-CrG5vhCq", "discovery": "EXTERNAL", "defects": ["CSCwj25248"]}, "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "cwe", "cweId": "CWE-78"}]}], "affected": [{"vendor": "Cisco", "product": "Cisco IOS XR Software", "versions": [{"version": "6.5.3", "status": "affected"}, {"version": "6.5.29", "status": "affected"}, {"version": "6.5.1", "status": "affected"}, {"version": "6.6.1", "status": 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"affected"}, {"version": "24.1.1", "status": "affected"}, {"version": "7.6.3", "status": "affected"}, {"version": "7.3.6", "status": "affected"}, {"version": "7.5.52", "status": "affected"}, {"version": "7.11.2", "status": "affected"}], "defaultStatus": "unknown"}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2024-09-11T16:38:23.982Z"}}, "adp": [{"affected": [{"vendor": "cisco", "product": "ios_xr_software", "cpes": ["cpe:2.3:o:cisco:ios_xr_software:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "6.5.3", "status": "affected", "lessThanOrEqual": "7.11.2", "versionType": "custom"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-09-11T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2024-20398"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": 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"6.5.25"}, {"status": "affected", "version": "6.5.28"}, {"status": "affected", "version": "6.5.93"}, {"status": "affected", "version": "6.6.12"}, {"status": "affected", "version": "6.5.90"}, {"status": "affected", "version": "7.0.0"}, {"status": "affected", "version": "7.1.1"}, {"status": "affected", "version": "7.0.90"}, {"status": "affected", "version": "6.6.3"}, {"status": "affected", "version": "7.0.2"}, {"status": "affected", "version": "7.1.15"}, {"status": "affected", "version": "7.2.0"}, {"status": "affected", "version": "7.2.1"}, {"status": "affected", "version": "7.1.2"}, {"status": "affected", "version": "7.0.11"}, {"status": "affected", "version": "7.0.12"}, {"status": "affected", "version": "7.0.14"}, {"status": "affected", "version": "7.1.25"}, {"status": "affected", "version": "6.6.4"}, {"status": "affected", "version": "7.2.12"}, {"status": "affected", "version": "7.3.1"}, {"status": "affected", "version": "7.1.3"}, {"status": "affected", "version": "7.4.1"}, {"status": "affected", "version": "7.2.2"}, {"status": "affected", "version": "6.5.31"}, {"status": "affected", "version": "7.3.15"}, {"status": "affected", "version": "7.3.16"}, {"status": "affected", "version": "7.4.15"}, {"status": "affected", "version": "6.5.32"}, {"status": "affected", "version": "7.3.2"}, {"status": "affected", "version": "7.5.1"}, {"status": "affected", "version": "7.4.16"}, {"status": "affected", "version": "7.3.27"}, {"status": "affected", "version": "7.6.1"}, {"status": "affected", "version": "7.5.2"}, {"status": "affected", "version": "7.8.1"}, {"status": "affected", "version": "7.6.15"}, {"status": "affected", "version": "7.5.12"}, {"status": "affected", "version": "7.8.12"}, {"status": "affected", "version": "7.3.3"}, {"status": "affected", "version": "7.7.1"}, {"status": "affected", "version": "7.3.4"}, {"status": "affected", "version": "7.4.2"}, {"status": "affected", "version": "7.6.2"}, {"status": "affected", "version": "7.5.3"}, {"status": "affected", "version": "7.7.2"}, {"status": "affected", "version": "7.9.1"}, {"status": "affected", "version": "7.10.1"}, {"status": "affected", "version": "7.8.2"}, {"status": "affected", "version": "7.5.4"}, {"status": "affected", "version": "6.5.33"}, {"status": "affected", "version": "7.8.22"}, {"status": "affected", "version": "7.7.21"}, {"status": "affected", "version": "7.9.2"}, {"status": "affected", "version": "7.3.5"}, {"status": "affected", "version": "7.5.5"}, {"status": "affected", "version": "7.11.1"}, {"status": "affected", "version": "7.9.21"}, {"status": "affected", "version": "7.10.2"}, {"status": "affected", "version": "24.1.1"}, {"status": "affected", "version": "7.6.3"}, {"status": "affected", "version": "7.3.6"}, {"status": "affected", "version": "7.5.52"}, {"status": "affected", "version": "7.11.2"}], "defaultStatus": "unknown"}], "exploits": [{"lang": "en", "value": "The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in 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the underlying operating system of an affected device.\r\n\r\nThis vulnerability is due to insufficient validation of user arguments that are passed to specific CLI commands. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the prompt. A successful exploit could allow the attacker to elevate privileges to root."}, {"lang": "es", "value": "Una vulnerabilidad en la CLI del software Cisco IOS XR podr\u00eda permitir que un atacante local autenticado obtenga acceso de lectura y escritura al sistema de archivos en el sistema operativo subyacente de un dispositivo afectado. Esta vulnerabilidad se debe a una validaci\u00f3n insuficiente de los argumentos de usuario que se pasan a comandos CLI espec\u00edficos. Un atacante con una cuenta con pocos privilegios podr\u00eda aprovechar esta vulnerabilidad mediante el uso de comandos manipulados en el indicador. Una explotaci\u00f3n exitosa podr\u00eda permitir al atacante elevar los privilegios a superusuario."}], "id": "CVE-2024-20398", "lastModified": "2026-06-17T07:06:55.903", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "psirt@cisco.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-20398", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-09-11T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2024-09-11T17:15:12.860", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-priv-esc-CrG5vhCq"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "psirt@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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