Out-of-bounds Read in Adobe Acrobat

CVE-2021-28554

Acrobat Reader DC versions versions 2021.001.20155 (and earlier), 2020.001.30025 (and earlier) and 2017.011.30196 (and earlier) are affected by an Out-of-bounds Read 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: 0.460 (98.8th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% 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-2021-28554: held from 0.460 to 0.460.

EPSS over last 30 days · oldest: 0.460 · newest: 0.460 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-28554?
CVE-2021-28554 is a high-severity vulnerability in Adobe Acrobat, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2021-08-24.
How severe is CVE-2021-28554?
High severity. CVSS v3 base score is 7.8 out of 10.