CVE-2021-21021 Details
Description
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://helpx.adobe.com/security/products/acrobat/apsb21-09.html | CVE | Vendor Advisory |
| https://helpx.adobe.com/security/products/acrobat/apsb21-09.html | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | [email protected] |
| CWE-416 | Use After Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| adobe acrobat | >= 17.0, <= 17.011.30188 >= 20.0, <= 20.001.30018 |
CPE
Remediation
| |
| adobe acrobat dc | <= 20.013.20074 |
CPE
Remediation
| |
| adobe acrobat reader | >= 17.0, <= 17.011.30188 >= 20.0, <= 20.001.300183 |
CPE
Remediation
| |
| adobe acrobat reader dc | <= 20.013.20074 |
CPE
Remediation
| |
| apple macos | All versions |
CPE
Remediation
| |
| microsoft windows | All versions |
CPE
Remediation
| |
Change History
8 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Nov 7, 2023 | CVE Modified | [email protected] |
| Sep 14, 2021 | Modified Analysis | [email protected] |
| Sep 8, 2021 | CPE Deprecation Remap | [email protected] |
| Jun 11, 2021 | CVE Modified | [email protected] |
| Feb 12, 2021 | Initial Analysis | [email protected] |