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CVE-2021-28635
Adobe Acrobat Reader Use-After-Free Vulnerability
High7.8EPSS 51.2%
- Published
- Updated
- Reserved
- Assigned by
- adobe
Description
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| adobeCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 51.2% · top 1.1% of all CVEs (7 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected unspecified – ≤ 2020.004.30005
- affected unspecified – ≤ 2017.011.30197
- affected unspecified – ≤ 2021.005.20054
- affected unspecified – ≤ None
References (1)
- https://helpx.adobe.com/security/products/acrobat/apsb21-51.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-28635)Record last updated .