Buffer overflow in Adobe Acrobat Dc
CVE-2021-28638
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (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.
Vulnerability class: Buffer Overflow
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: 0.049 (91.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · 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-2021-28638?
- CVE-2021-28638 is a high-severity vulnerability in Adobe Acrobat Dc, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2021-08-20.
- How severe is CVE-2021-28638?
- High severity. CVSS v3 base score is 7.8 out of 10.