What is CVE-2021-21021?

CVE-2021-21021 is a high-severity vulnerability in Adobe Acrobat, classified under Use After Free. CVSS score: 8.8/10. Published 2021-02-11.

How severe is CVE-2021-21021?

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

Use After Free in Adobe Acrobat

CVE-2021-21021

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability t…

Vulnerability class: Use-After-Free

EPSS: 0.040 (89.4th 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
Adobe Acrobat_dc
Adobe Acrobat Reader — versions unspecified
Adobe Acrobat_reader
Adobe Acrobat_reader_dc
Apple Macos
Microsoft Windows

Weakness classification (CWE)

CWE-416 — Use After Free

References

psirt@adobe.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-21021?: CVE-2021-21021 is a high-severity vulnerability in Adobe Acrobat, classified under Use After Free. CVSS score: 8.8/10. Published 2021-02-11.
How severe is CVE-2021-21021?: High severity. CVSS v3 base score is 8.8 out of 10.