Adobe Acrobat Pro DC embedDocAsDataObject Type Confusion Information Disclosure Vulnerability

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.

Scores

EPSS (exploitation in 30 days)

1.9% · top 20% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.3.

Weakness

• CWE-843: Access of Resource Using Incompatible Type ('Type Confusion') (CWE-843) (opens in a new tab)All about CWE-843 and its CVEs

Affected products

• Adobe · Acrobat Reader

  • affected unspecified – ≤ 2020.004.30005
  • affected unspecified – ≤ 2017.011.30197
  • affected unspecified – ≤ 2021.005.20054
  • affected unspecified – ≤ None

References (1)

• https://helpx.adobe.com/security/products/acrobat/apsb21-51.html (opens in a new tab)x_refsource_MISCx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2021-28643](https://trackcve.app/badge/CVE-2021-28643.svg)](https://trackcve.app/cve/CVE-2021-28643)

Record last updated 16 Sept 2024, 22:03 UTC.