Use After Free in Adobe Acrobat Dc
CVE-2021-28639
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an 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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.661 (99.3th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.661 · newest: 0.661 · change: 0.000
Affected products
- Adobe Acrobat Dc
- Adobe Acrobat Reader — versions unspecified
- Adobe Acrobat Reader Dc
Weakness classification (CWE)
References
- helpx.adobe.com/security/products/acrobat/apsb21-51.html (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-28639?
- CVE-2021-28639 is a high-severity vulnerability in Adobe Acrobat Dc, classified under Use After Free. CVSS score: 7.8/10. Published 2021-08-20.
- How severe is CVE-2021-28639?
- High severity. CVSS v3 base score is 7.8 out of 10.