CVE-2021-28642
Last modified
CVE-2021-28642 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Out-of-bounds write vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. EPSS estimates a 3.71% chance of exploitation in the next 30 days.
Description
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Out-of-bounds write vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve 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, <= 21.005.20054 |
| Adobe | Acrobat Dc | >= 17.011.30059, <= 17.011.30197 |
| Adobe | Acrobat Dc | >= 20.001.30005, <= 20.004.30005 |
| Adobe | Acrobat Reader Dc | >= 15.008.20082, <= 21.005.20054 |
| Adobe | Acrobat Reader Dc | >= 17.011.30059, <= 17.011.30197 |
| Adobe | Acrobat Reader Dc | >= 20.001.30005, <= 20.004.30005 |
References
- https://helpx.adobe.com/security/products/acrobat/apsb21-51.htmlRelease Notes, Vendor Advisory
- https://helpx.adobe.com/security/products/acrobat/apsb21-51.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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Related CVEs from 2021
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- CVE-2021-28640Acrobat Reader DC versions 2021.005.20054 (and earlier), 202…7.3
- CVE-2021-28641Acrobat Reader DC versions 2021.005.20054 (and earlier), 202…7.8
- CVE-2021-28643Acrobat Reader DC versions 2021.005.20054 (and earlier), 202…3.3
- CVE-2021-28644Acrobat Reader DC versions 2021.005.20054 (and earlier), 202…7.8
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