Use After Free in Adobe Acrobat Dc
CVE-2021-28562
Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a Use After Free vulnerability when executing search queries through Javascript. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Vulnerability class: Use-After-Free
EPSS: 0.051 (91.8th 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_dc
- Adobe Acrobat Reader — versions unspecified
- Adobe Acrobat_reader_dc
- Apple Macos
- Microsoft Windows
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@adobe.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-28562?
- CVE-2021-28562 is a high-severity vulnerability in Adobe Acrobat Dc, classified under Use After Free. CVSS score: 8.8/10. Published 2021-06-28.
- How severe is CVE-2021-28562?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-28562 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.