CVE-2021-40729
LOW
Published Oct 15, 20214y ago · Modified Jun 17, 20262w ago
3.3 CVSS 3.1
Published Oct 15, 2021 4y ago
Last Modified Jun 17, 2026 2w ago
Description
Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and earlier) is affected by a out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. 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 PDF file.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Low
Integrity None
Availability None
Threat Intelligence
No active exploitation signals — not in CISA KEV and no EPSS score yet.
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-125 Out-of-bounds Read Memory Safety
Affected Products 14
| Vendor | Product | Version | Range |
|---|---|---|---|
| adobe | acrobat_dc | * | ≥15.008.20082 – ≤21.007.20095 |
| adobe | acrobat_reader_dc | * | ≥15.008.20082 – ≤21.007.20095 |
| microsoft | windows | * | any |
| adobe | acrobat_dc | * | ≥15.008.20082 – ≤21.007.20096 |
| adobe | acrobat_reader_dc | * | ≥15.008.20082 – ≤21.007.20096 |
| apple | macos | * | any |
| adobe | acrobat | * | ≥20.001.30005 – ≤20.004.30015 |
| adobe | acrobat_reader | * | ≥20.001.30005 – ≤20.004.30015 |
| apple | macos | * | any |
| microsoft | windows | * | any |
| adobe | acrobat | * | ≥17.011.30158 – ≤17.011.30202 |
| adobe | acrobat_reader | * | ≥17.011.30158 – ≤17.011.30202 |
| apple | macos | * | any |
| microsoft | windows | * | any |
References 1
- helpx.adobe.com https://helpx.adobe.com/security/products/acrobat/apsb21-104.html
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.