CVE-2021-21042 Details
Description
Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability that could lead to arbitrary disclosure of information in the memory stack. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. 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-125 | Out-of-bounds Read | [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
13 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 28, 2021 | CVE Modified | [email protected] |
| Jun 11, 2021 | CVE Modified | [email protected] |
| Jun 3, 2021 | Modified Analysis | [email protected] |
| May 27, 2021 | CVE Modified | [email protected] |
| May 25, 2021 | Reanalysis | [email protected] |
| May 25, 2021 | Reanalysis | [email protected] |
| Feb 12, 2021 | Initial Analysis | [email protected] |