{"api_version":"1","generated_at":"2026-04-23T07:00:51+00:00","cve":"CVE-2021-28635","urls":{"html":"https://cve.report/CVE-2021-28635","api":"https://cve.report/api/cve/CVE-2021-28635.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-28635","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-28635"},"summary":{"title":"CVE-2021-28635","description":"Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a use-after-free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.","state":"PUBLIC","assigner":"psirt@adobe.com","published_at":"2021-08-20 19:15:00","updated_at":"2021-08-31 16:05:00"},"problem_types":["CWE-416"],"metrics":[],"references":[{"url":"https://helpx.adobe.com/security/products/acrobat/apsb21-51.html","name":"https://helpx.adobe.com/security/products/acrobat/apsb21-51.html","refsource":"MISC","tags":[],"title":"Adobe Security Bulletin","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-28635","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28635","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"28635","vulnerable":"1","versionEndIncluding":"17.011.30197","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"adobe","cpe5":"acrobat_dc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"classic","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"28635","vulnerable":"1","versionEndIncluding":"20.004.30005","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"adobe","cpe5":"acrobat_dc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"classic","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"28635","vulnerable":"1","versionEndIncluding":"21.005.20054","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"adobe","cpe5":"acrobat_dc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"continuous","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"28635","vulnerable":"1","versionEndIncluding":"17.011.30197","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"adobe","cpe5":"acrobat_reader_dc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"classic","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"28635","vulnerable":"1","versionEndIncluding":"20.004.30005","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"adobe","cpe5":"acrobat_reader_dc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"classic","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"28635","vulnerable":"1","versionEndIncluding":"21.005.20054","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"adobe","cpe5":"acrobat_reader_dc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"continuous","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-28635","qid":"375700","title":"Adobe Security Update for Adobe Acrobat and Adobe Reader (APSB21-51)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"psirt@adobe.com","DATE_PUBLIC":"2021-07-13T23:00:00.000Z","ID":"CVE-2021-28635","STATE":"PUBLIC","TITLE":"Adobe Acrobat Reader Use-After-Free Vulnerability"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Acrobat Reader","version":{"version_data":[{"version_affected":"<=","version_value":"2020.004.30005"},{"version_affected":"<=","version_value":"2017.011.30197"},{"version_affected":"<=","version_value":"2021.005.20054"},{"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 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a use-after-free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution 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":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"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Use After Free (CWE-416)"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://helpx.adobe.com/security/products/acrobat/apsb21-51.html","name":"https://helpx.adobe.com/security/products/acrobat/apsb21-51.html"}]},"source":{"discovery":"EXTERNAL"}},"nvd":{"publishedDate":"2021-08-20 19:15:00","lastModifiedDate":"2021-08-31 16:05:00","problem_types":["CWE-416"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:C/I:C/A:C","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE","baseScore":9.3},"severity":"HIGH","exploitabilityScore":8.6,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:*","versionStartIncluding":"17.011.30059","versionEndIncluding":"17.011.30197","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*","versionStartIncluding":"17.011.30059","versionEndIncluding":"17.011.30197","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*","versionStartIncluding":"15.008.20082","versionEndIncluding":"21.005.20054","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*","versionStartIncluding":"20.001.30005","versionEndIncluding":"20.004.30005","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*","versionStartIncluding":"15.008.20082","versionEndIncluding":"21.005.20054","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:*","versionStartIncluding":"20.001.30005","versionEndIncluding":"20.004.30005","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"28635","Ordinal":"203806","Title":"CVE-2021-28635","CVE":"CVE-2021-28635","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"28635","Ordinal":"1","NoteData":"Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a use-after-free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"28635","Ordinal":"2","NoteData":"2021-08-20","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"28635","Ordinal":"3","NoteData":"2021-08-20","Type":"Other","Title":"Modified"}]}}}