Use After Free in Adobe Acrobat
CVE-2021-40730
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 a use-after-free that allow a remote attacker to disclose sensitive information on affected installations of of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JPG2000 images.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.039 (89.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.039 · 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-2021-40730?
- CVE-2021-40730 is a low-severity vulnerability in Adobe Acrobat, classified under Use After Free. CVSS score: 3.3/10. Published 2021-10-15.
- How severe is CVE-2021-40730?
- Low severity. CVSS v3 base score is 3.3 out of 10.