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High severity8.1NVD Advisory· Published Apr 1, 2021· Updated Jun 17, 2026

CVE-2021-28545

CVE-2021-28545

Description

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 would have the ability to completely manipulate data in a certified PDF without invalidating the original certification. Exploitation of this issue requires user interaction in that a victim must open the tampered file.

Affected products

6
  • Adobe Inc./Acrobat4 versions
    cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*+ 3 more
    • cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*range: >=17.011.30059,<=17.011.30188
    • cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*range: >=15.008.20082,<=20.013.20074
    • cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*range: >=17.011.30059,<=17.011.30188
    • (no CPE)range: unspecified
  • Adobe Inc./Acrobat Reader Dc2 versions
    cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*+ 1 more
    • cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*range: >=15.008.20082,<=20.013.20074
    • (no CPE)range: <=2020.013.20074, <=2020.001.30018, <=2017.011.30188

Patches

Vulnerability mechanics

References

1

News mentions

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