High severity · published Jun 28, 2021
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…
8.8
CVSS
5.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.1% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AD
Acrobat DC · Adobe
15.008.20082 through 21.001.20150 · source: NVD
AR
Acrobat Reader DC · Adobe
15.008.20082 through 21.001.20150 · source: NVD
Affected product
AD
Acrobat DC
Adobe
More from Acrobat DC
8.8
CVE-2021-28550
Adobe Acrobat Reader use after free vulnerability could lead to arbitrary code execution
8.8
CVE-2021-21017
Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution
8.8
CVE-2018-4990
Adobe Acrobat and Reader Double Free Vulnerability
8.6
CVE-2026-34621
Acrobat Reader | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CWE-1321)
7.8
CVE-2023-26369
[Google Project Zero] Adobe Acrobat DC OOBW 0-day actively exploited in the wild