CVE-2021-21046 json
Acrobat Reader DC Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution
published 2021-02-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8437
- cvss
- 3.3
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
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 memory corruption vulnerability. An unauthenticated attacker could leverage this vulnerability to cause an application denial-of-service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Exploit prediction
1.74% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 3.3 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Affected products
- Adobe Acrobat Reader
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
helpx.adobe.com
/security/products/acrobat/apsb21-09.html
vendor-advisory
Sources
- CVE List CVE-2021-21046
- NVD CVE-2021-21046
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