What is CVE-2021-28639?

CVE-2021-28639 is a high-severity vulnerability in Adobe Acrobat Reader, classified under Use After Free. CVSS score: 7.8/10. Published 2021-08-20.

How severe is CVE-2021-28639?

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

Use After Free in Adobe Acrobat Reader

CVE-2021-28639

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 unauthenticated attacker could leverage this vulnerability to achiev…

Vulnerability class: Use-After-Free

EPSS: 0.661 (99.2th percentile) — read the EPSS interpretation.

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.

Affected products

Adobe Acrobat Reader — versions unspecified

Weakness classification (CWE)

CWE-416 — Use After Free

References

helpx.adobe.com/security/products/acrobat/apsb21-51.html (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-28639?: CVE-2021-28639 is a high-severity vulnerability in Adobe Acrobat Reader, classified under Use After Free. CVSS score: 7.8/10. Published 2021-08-20.
How severe is CVE-2021-28639?: High severity. CVSS v3 base score is 7.8 out of 10.