{ "containers": { "cna": { "affected": [ { "product": "Acrobat Reader", "vendor": "Adobe", "versions": [ { "lessThanOrEqual": "DC 2021 July", "status": "affected", "version": "unspecified", "versionType": "custom" }, { "lessThanOrEqual": "20.0-Classic 2021 July", "status": "affected", "version": "unspecified", "versionType": "custom" }, { "lessThanOrEqual": "17.0-Classic 2021 July", "status": "affected", "version": "unspecified", "versionType": "custom" }, { "lessThanOrEqual": "None", "status": "affected", "version": "unspecified", "versionType": "custom" } ] } ], "datePublic": "2021-09-14T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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_0": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.0" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-476", "description": "NULL Pointer Dereference (CWE-476)", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-10-06T15:25:29.000Z", "orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html" } ], "source": { "discovery": "EXTERNAL" }, "title": "Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@adobe.com", "DATE_PUBLIC": "2021-09-14T23:00:00.000Z", "ID": "CVE-2021-39854", "STATE": "PUBLIC", "TITLE": "Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Acrobat Reader", "version": { "version_data": [ { "version_affected": "<=", "version_value": "DC 2021 July" }, { "version_affected": "<=", "version_value": "20.0-Classic 2021 July" }, { "version_affected": "<=", "version_value": "17.0-Classic 2021 July" }, { "version_affected": "<=", "version_value": "None" } ] } } ] }, "vendor_name": "Adobe" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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": "Low", "attackVector": "Local", "availabilityImpact": "High", "baseScore": 5.5, "baseSeverity": "Medium", "confidentialityImpact": "None", "integrityImpact": "None", "privilegesRequired": "None", "scope": "Unchanged", "userInteraction": "Required", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "NULL Pointer Dereference (CWE-476)" } ] } ] }, "references": { "reference_data": [ { "name": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html", "refsource": "MISC", "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html" } ] }, "source": { "discovery": "EXTERNAL" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:20:33.671Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html" } ] } ] }, "cveMetadata": { "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "assignerShortName": "adobe", "cveId": "CVE-2021-39854", "datePublished": "2021-09-29T15:39:21.116Z", "dateReserved": "2021-08-23T00:00:00.000Z", "dateUpdated": "2024-09-17T01:12:16.574Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }