CVE-2021-40728
Last modified
CVE-2021-40728 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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 use-after-free vulnerability in the processing of the GetURL function on a global object window that could result in 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.. EPSS estimates a 53.53% chance of exploitation in the next 30 days.
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 use-after-free vulnerability in the processing of the GetURL function on a global object window that could result in 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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Acrobat Dc | >= 15.008.20082, <= 21.007.20095 |
| Adobe | Acrobat Reader Dc | >= 15.008.20082, <= 21.007.20095 |
| Adobe | Acrobat Dc | >= 15.008.20082, <= 21.007.20096 |
| Adobe | Acrobat Reader Dc | >= 15.008.20082, <= 21.007.20096 |
| Adobe | Acrobat | >= 20.001.30005, <= 20.004.30015 |
| Adobe | Acrobat Reader | >= 20.001.30005, <= 20.004.30015 |
| Adobe | Acrobat | >= 17.011.30158, <= 17.011.30202 |
| Adobe | Acrobat Reader | >= 17.011.30158, <= 17.011.30202 |
References
- https://helpx.adobe.com/security/products/acrobat/apsb21-104.htmlRelease Notes, Vendor Advisory
- https://helpx.adobe.com/security/products/acrobat/apsb21-104.htmlRelease Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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