CVE-2021-40731
Last modified
CVE-2021-40731 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 an out-of-bounds write vulnerability when parsing a crafted JPEG2000 file, which 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 8.00% 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 an out-of-bounds write vulnerability when parsing a crafted JPEG2000 file, which 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:3.0/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
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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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