CVE-2021-40729
Last modified
CVE-2021-40729 is a low-severity vulnerability rated 3.3/10 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 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. EPSS estimates a 4.14% 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 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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
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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