What is CVE-2021-28642?

CVE-2021-28642 is a high-severity vulnerability in Adobe Acrobat Reader, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-08-20.

How severe is CVE-2021-28642?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Adobe Acrobat Reader

CVE-2021-28642

Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Out-of-bounds write vulnerability. An unauthenticated attacker could leverage this vulnerability to a…

Vulnerability class: Buffer Overflow

EPSS: 0.373 (97.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/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-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2021-28642?: CVE-2021-28642 is a high-severity vulnerability in Adobe Acrobat Reader, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-08-20.
How severe is CVE-2021-28642?: High severity. CVSS v3 base score is 8.8 out of 10.