CVE-2021-21033
Last modified
CVE-2021-21033 is a high-severity vulnerability rated 8.8/10 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 a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. EPSS estimates a 3.98% 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 a Use After Free 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:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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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Related CVEs from 2021
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- CVE-2021-21030Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier)…8.1
- CVE-2021-21031Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier)…5.6
- CVE-2021-21032Magento versions 2.4.1 (and earlier), 2.4.0-p1 (and earlier)…5.6
- CVE-2021-21034Acrobat Reader DC versions versions 2020.013.20074 (and earl…4.3
- CVE-2021-21035Acrobat Reader DC versions versions 2020.013.20074 (and earl…8.8
- CVE-2021-21036Acrobat Reader DC versions versions 2020.013.20074 (and earl…7.8
- CVE-2021-21037Acrobat Reader DC versions versions 2020.013.20074 (and earl…7.8
- CVE-2021-21038Acrobat Reader DC versions versions 2020.013.20074 (and earl…7.8
- CVE-2021-21039Acrobat Reader DC versions versions 2020.013.20074 (and earl…7.8
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