{"id":"CVE-2021-44740","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-44740","generatedAt":"2026-10-27T17:45:01.253Z","title":"Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a Null pointer dereference vulnerability when parsing a specially crafted file.","description":"Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a Null pointer dereference vulnerability when parsing a specially crafted file. 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.","published":"2022-01-14T20:15:13.000Z","lastModified":"2026-06-17T04:12:48.000Z","status":"Modified","sourceIdentifier":"psirt@adobe.com","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["adobe/acrobat dc","adobe/acrobat reader dc","adobe/acrobat","adobe/acrobat reader"],"epss":{"score":0.03629,"percentile":0.89458,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (3.63%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://helpx.adobe.com/security/products/acrobat/apsb22-01.html","tags":["Vendor Advisory"],"source":"psirt@adobe.com"},{"url":"https://helpx.adobe.com/security/products/acrobat/apsb22-01.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-44740","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}