Use After Free in Adobe Acrobat Dc

CVE-2021-28640

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 authenticated 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 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.534 (99.0th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-28640: held from 0.534 to 0.534.

EPSS over last 30 days · oldest: 0.534 · newest: 0.534 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-28640?
CVE-2021-28640 is a high-severity vulnerability in Adobe Acrobat Dc, classified under Use After Free. CVSS score: 7.3/10. Published 2021-08-20.
How severe is CVE-2021-28640?
High severity. CVSS v3 base score is 7.3 out of 10.