PT-2021-2311 · Adobe · Acrobat Reader
Published
2021-02-02
·
Updated
2021-09-14
·
CVE-2021-21028
CVSS v3.1
8.8
High
| Vector | AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Adobe Acrobat Reader DC versions 2020.013.20074 and earlier
Adobe Acrobat Reader DC versions 2020.001.30018 and earlier
Adobe Acrobat Reader DC versions 2017.011.30188 and earlier
Description
A Use After Free vulnerability affects Adobe Acrobat Reader DC, allowing an unauthenticated attacker to achieve arbitrary code execution in the context of the current user. Exploitation requires user interaction, where a victim must open a malicious file. This issue can be leveraged to execute arbitrary code.
Recommendations
For Adobe Acrobat Reader DC versions 2020.013.20074 and earlier, update to a version later than 2020.013.20074.
For Adobe Acrobat Reader DC versions 2020.001.30018 and earlier, update to a version later than 2020.001.30018.
For Adobe Acrobat Reader DC versions 2017.011.30188 and earlier, update to a version later than 2017.011.30188.
As a temporary workaround, consider avoiding the use of Adobe Acrobat Reader DC to open files from untrusted sources until a patch is available.
Fix
XSS
Memory Corruption
Use After Free
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Related Identifiers
Affected Products
Acrobat Reader