What is CVE-2020-9704?

CVE-2020-9704 is a high-severity vulnerability in Adobe Acrobat Dc, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2020-08-19.

How severe is CVE-2020-9704?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Adobe Acrobat Dc

CVE-2020-9704

Adobe Acrobat and Reader versions 2020.009.20074 and earlier, 2020.001.30002, 2017.011.30171 and earlier, and 2015.006.30523 and earlier have a buffer error vulnerability. Successful exploitation could lead to arbitrary code execution .

Vulnerability class: Buffer Overflow

Published 2020-08-19 · last modified 2026-06-17.

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: 0.043 (90.9th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000

Affected products

Adobe Acrobat Dc — versions 20.001.30002
Adobe Acrobat Reader Dc — versions 20.001.30002
Adobe Acrobat And Reader — versions 2020.009.20074 and earlier, 2020.001.30002, 2017.011.30171 and earlier, and 2015.006.30523 and earlier versions
Apple macOS
Microsoft Windows

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

helpx.adobe.com/security/products/acrobat/apsb20-48.html (Vendor Advisory)

Frequently asked questions

What is CVE-2020-9704?: CVE-2020-9704 is a high-severity vulnerability in Adobe Acrobat Dc, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2020-08-19.
How severe is CVE-2020-9704?: High severity. CVSS v3 base score is 7.8 out of 10.