CVE-2021-28560 in the critical feed json
Adobe Acrobat Reader heap corruption vulnerability could lead to arbitrary code execution
published 2021-09-02 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15235
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 66.9%
- EPSS 66.9% chance of exploitation in 30 days, percentile 99.3%
- public exploits
- 0
- none known
Summary
Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a Heap-based Buffer Overflow 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.
Exploit prediction
66.92% chance of exploitation in the next 30 days, higher than 99.3% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Adobe Acrobat Reader
Classification
- Weakness
-
- CWE-122 Heap-based Buffer Overflow
References
-
helpx.adobe.com
/security/products/acrobat/apsb21-29.html
release-notes, vendor-advisory
Sources
- CVE List CVE-2021-28560
- NVD CVE-2021-28560
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