What is the severity of CVE-2021-34951?

CVE-2021-34951 is classified as a medium severity vulnerability.

How do I fix CVE-2021-34951?

To mitigate CVE-2021-34951, users should update to the latest version of Foxit PDF Reader.

What type of vulnerability is CVE-2021-34951?

CVE-2021-34951 is an information disclosure vulnerability caused by the use of an uninitialized variable.

Is user interaction required to exploit CVE-2021-34951?

Yes, user interaction is required to exploit CVE-2021-34951.

What impact does CVE-2021-34951 have on Foxit PDF Reader?

CVE-2021-34951 allows remote attackers to potentially disclose sensitive information from affected installations of Foxit PDF Reader.

Vulnerability/
CVE-2021-34951

low

3.3

CWE

457

7/5/2024

4/8/2024

29/1/2025

CVE-2021-34951: Foxit PDF Reader Annotation Use of Uninitialized Variable Information Disclosure Vulnerability

First published: Tue May 07 2024(Updated: )

Foxit PDF Reader Annotation Use of Uninitialized Variable Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14395.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Foxit Reader

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Frequently Asked Questions

What is the severity of CVE-2021-34951?
CVE-2021-34951 is classified as a medium severity vulnerability.
How do I fix CVE-2021-34951?
To mitigate CVE-2021-34951, users should update to the latest version of Foxit PDF Reader.
What type of vulnerability is CVE-2021-34951?
CVE-2021-34951 is an information disclosure vulnerability caused by the use of an uninitialized variable.
Is user interaction required to exploit CVE-2021-34951?
Yes, user interaction is required to exploit CVE-2021-34951.
What impact does CVE-2021-34951 have on Foxit PDF Reader?
CVE-2021-34951 allows remote attackers to potentially disclose sensitive information from affected installations of Foxit PDF Reader.

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