CVE-2021-28643 Adobe Acrobat Pro DC embedDocAsDataObject Type Confusion Information Disclosure Vulnerability

What is CVE-2021-28643?

CVE-2021-28643 is a low-severity vulnerability in Adobe Acrobat Dc, published on 20 Aug 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a Type Confusion vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose sensitive memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Weakness: CWE-843

Which versions are affected by CVE-2021-28643?

It affects 2 products.

Products include Adobe Acrobat Dc, Adobe Acrobat Reader Dc.

How do I fix CVE-2021-28643?

No fix has been published for CVE-2021-28643 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-28643 being exploited?

There is no known exploitation of CVE-2021-28643 in the wild and no public exploit code.

Other vulnerabilities in Adobe Acrobat Dc

• CVE-2018-4990 Adobe Acrobat and Reader Double Free Exploited High 8.8
• CVE-2020-9715 Adobe Acrobat Use-After-Free Exploited High 7.8
• CVE-2020-3792 Use after free in Adobe Acrobat and Reader Critical 9.8
• CVE-2020-3793 Use after free in Adobe Acrobat and Reader Critical 9.8
• CVE-2020-3795 Memory corruption in Adobe Acrobat and Reader Critical 9.8

All Adobe Acrobat Dc vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-q8qh-9x92-6p6c.