{"containers": {"cna": {"affected": [{"product": "Digital Editions", "vendor": "Adobe", "versions": [{"lessThanOrEqual": "4.5.11.187245", "status": "affected", "version": "unspecified", "versionType": "custom"}, {"lessThanOrEqual": "None", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2021-04-13T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Adobe Digital Editions version 4.5.11.187245 (and earlier) is affected by a Privilege Escalation vulnerability during installation. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary file system write in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-379", "description": "Creation of Temporary File in Directory with Incorrect Permissions (CWE-379)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-04-15T13:51:28.000Z", "orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html"}], "source": {"discovery": "EXTERNAL"}, "title": "Adobe Digital Editions Arbitrary file system write vulnerability", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@adobe.com", "DATE_PUBLIC": "2021-04-13T23:00:00.000Z", "ID": "CVE-2021-21100", "STATE": "PUBLIC", "TITLE": "Adobe Digital Editions Arbitrary file system write vulnerability"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Digital Editions", "version": {"version_data": [{"version_affected": "<=", "version_value": "4.5.11.187245"}, {"version_affected": "<=", "version_value": "None"}, {"version_affected": "<=", "version_value": "None"}, {"version_affected": "<=", "version_value": "None"}]}}]}, "vendor_name": "Adobe"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Adobe Digital Editions version 4.5.11.187245 (and earlier) is affected by a Privilege Escalation vulnerability during installation. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary file system write in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}]}, "impact": {"cvss": {"attackComplexity": "None", "attackVector": "None", "availabilityImpact": "None", "baseScore": 7.8, "baseSeverity": "High", "confidentialityImpact": "None", "integrityImpact": "None", "privilegesRequired": "None", "scope": "None", "userInteraction": "None", "vectorString": "AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Creation of Temporary File in Directory with Incorrect Permissions (CWE-379)"}]}]}, "references": {"reference_data": [{"name": "https://helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html", "refsource": "MISC", "url": "https://helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html"}]}, "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:01:13.275Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-23T13:19:24.332536Z", "id": "CVE-2021-21100", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-23T19:42:18.061Z"}}]}, "cveMetadata": {"assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "assignerShortName": "adobe", "cveId": "CVE-2021-21100", "datePublished": "2021-04-15T13:51:28.016Z", "dateReserved": "2020-12-18T00:00:00.000Z", "dateUpdated": "2025-04-23T19:42:18.061Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:01:13.275Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-21100", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-04-23T13:19:24.332536Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-23T13:19:25.656Z"}}], "cna": {"title": "Adobe Digital Editions Arbitrary file system write vulnerability", "source": {"discovery": "EXTERNAL"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "Adobe", "product": "Digital Editions", "versions": [{"status": "affected", "version": "unspecified", "versionType": "custom", "lessThanOrEqual": "4.5.11.187245"}, {"status": "affected", "version": "unspecified", "versionType": "custom", "lessThanOrEqual": "None"}]}], "datePublic": "2021-04-13T00:00:00.000Z", "references": [{"url": "https://helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Adobe Digital Editions version 4.5.11.187245 (and earlier) is affected by a Privilege Escalation vulnerability during installation. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary file system write in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-379", "description": "Creation of Temporary File in Directory with Incorrect Permissions (CWE-379)"}]}], "providerMetadata": {"orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe", "dateUpdated": "2021-04-15T13:51:28.000Z"}, "x_legacyV4Record": {"impact": {"cvss": {"scope": "None", "version": "3.1", "baseScore": 7.8, "attackVector": "None", "baseSeverity": "High", "vectorString": "AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "None", "userInteraction": "None", "attackComplexity": "None", "availabilityImpact": "None", "privilegesRequired": "None", "confidentialityImpact": "None"}}, "source": {"discovery": "EXTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "4.5.11.187245", "version_affected": "<="}, {"version_value": "None", "version_affected": "<="}, {"version_value": "None", "version_affected": "<="}, {"version_value": "None", "version_affected": "<="}]}, "product_name": "Digital Editions"}]}, "vendor_name": "Adobe"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html", "name": "https://helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Adobe Digital Editions version 4.5.11.187245 (and earlier) is affected by a Privilege Escalation vulnerability during installation. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary file system write in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Creation of Temporary File in Directory with Incorrect Permissions (CWE-379)"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-21100", "STATE": "PUBLIC", "TITLE": "Adobe Digital Editions Arbitrary file system write vulnerability", "ASSIGNER": "psirt@adobe.com", "DATE_PUBLIC": "2021-04-13T23:00:00.000Z"}}}}, "cveMetadata": {"cveId": "CVE-2021-21100", "state": "PUBLISHED", "dateUpdated": "2025-04-23T19:42:18.061Z", "dateReserved": "2020-12-18T00:00:00.000Z", "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "datePublished": "2021-04-15T13:51:28.016Z", "assignerShortName": "adobe"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:adobe:digital_editions:*:*:*:*:*:*:*:*", "matchCriteriaId": "F9A36F61-8290-40CD-8F7D-ECE48CF6B7F5", "versionEndIncluding": "4.5.11.187245", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "Adobe Digital Editions version 4.5.11.187245 (and earlier) is affected by a Privilege Escalation vulnerability during installation. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary file system write in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file."}, {"lang": "es", "value": "Adobe Digital Editions versi\u00f3n 4.5.11.187245 (y anteriores) est\u00e1 afectada por una vulnerabilidad de escalada de privilegios durante la instalaci\u00f3n.&#xa0;Un atacante no autenticado podr\u00eda aprovechar esta vulnerabilidad para lograr una escritura arbitraria del sistema de archivos en el contexto del usuario actual.&#xa0;Es requerida una interacci\u00f3n del usuario para explotar este problema, ya que la v\u00edctima debe abrir un archivo malicioso"}], "id": "CVE-2021-21100", "lastModified": "2024-11-21T05:47:34.003", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "psirt@adobe.com", "type": "Secondary"}]}, "published": "2021-04-15T14:15:16.747", "references": [{"source": "psirt@adobe.com", "tags": ["Vendor Advisory"], "url": "https://helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html"}], "sourceIdentifier": "psirt@adobe.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-379"}], "source": "psirt@adobe.com", "type": "Secondary"}]}

{}

{}