CVE-2021-28550 (GCVE-0-2021-28550)

Vulnerability from cvelistv5 – Published: 2021-09-02 16:07 – Updated: 2025-10-21 23:25
VLAI?
Title
Adobe Acrobat Reader use after free vulnerability could lead to arbitrary code execution
Summary
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. 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.
Severity ?
9.6 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE
  • CWE-416 - Use After Free (CWE-416)
Assigner
References
Impacted products
Vendor Product Version
Adobe Acrobat Reader Affected: unspecified , ≤ 2020.001.30020 (custom)
Affected: unspecified , ≤ 2021.001.20150 (custom)
Affected: unspecified , ≤ 2017.011.30194 (custom)
Affected: unspecified , ≤ None (custom)
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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