What is CVE-2021-28546?

CVE-2021-28546 is a medium-severity vulnerability in Adobe Acrobat, classified under CWE-353. CVSS score: 6.5/10. Published 2021-04-01.

How severe is CVE-2021-28546?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Adobe Acrobat

CVE-2021-28546

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker could leverage this vulnerability to modify content in a certified PDF without invalidating the certification. Exploitation of this issue requires user interaction in that a victim must open the tampered file.

EPSS: 0.014 (70.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

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-353

References

psirt@adobe.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-28546?: CVE-2021-28546 is a medium-severity vulnerability in Adobe Acrobat, classified under CWE-353. CVSS score: 6.5/10. Published 2021-04-01.
How severe is CVE-2021-28546?: Medium severity. CVSS v3 base score is 6.5 out of 10.