CVE-2021-21034
Last modified
CVE-2021-21034 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to locally elevate privileges in the context of the current user. EPSS estimates a 2.48% chance of exploitation in the next 30 days.
Description
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to locally elevate privileges 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:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Acrobat | >= 17.0, <= 17.011.30188 |
| Adobe | Acrobat | >= 20.0, <= 20.001.30018 |
| Adobe | Acrobat Dc | <= 20.013.20074 |
| Adobe | Acrobat Reader | >= 17.0, <= 17.011.30188 |
| Adobe | Acrobat Reader | >= 20.0, <= 20.001.300183 |
| Adobe | Acrobat Reader Dc | <= 20.013.20074 |
References
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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