CVE-2021-21033: Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution

Published Feb 11, 2021
·
Updated

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (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.

Affected Software

8 affected components
Adobe Acrobat>=17.0<=17.011.30188
Adobe Acrobat>=20.0<=20.001.30018
Adobe Acrobat DC<=20.013.20074
Adobe Acrobat Reader>=17.0<=17.011.30188
Adobe Acrobat Reader>=20.0<=20.001.300183
Adobe Acrobat Reader DC<=20.013.20074
Apple macOS
Microsoft Windows

Event History

Feb 11, 2021
CVE Published
via MITRE·07:42 PM
Data Sourced
via MITRE·07:42 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2021-21033?

CVE-2021-21033 is rated as critical due to its potential to allow arbitrary code execution by an unauthenticated attacker.

2

How do I fix CVE-2021-21033?

To fix CVE-2021-21033, update Adobe Acrobat Reader DC to the latest version that addresses this vulnerability.

3

Which versions of Adobe Acrobat Reader are affected by CVE-2021-21033?

Affected versions include Adobe Acrobat Reader DC versions up to 20.013.20074, 2020.001.30018, and 2017.011.30188.

4

What type of vulnerability is CVE-2021-21033?

CVE-2021-21033 is classified as a Use After Free vulnerability.

5

Can CVE-2021-21033 be exploited remotely?

Yes, CVE-2021-21033 can be exploited remotely by an unauthenticated attacker.

Contact

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