Buffer overflow in Adobe Acrobat
CVE-2021-40731
Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and earlier) is affected by an out-of-bounds write vulnerability when parsing a crafted JPEG2000 file, which could result in 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:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.083 (94.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.083 · newest: 0.083 · change: 0.000
Affected products
Weakness classification (CWE)
References
- helpx.adobe.com/security/products/acrobat/apsb21-104.html (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-40731?
- CVE-2021-40731 is a high-severity vulnerability in Adobe Acrobat, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-10-15.
- How severe is CVE-2021-40731?
- High severity. CVSS v3 base score is 7.8 out of 10.