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CVE-2021-34964

HIGH
Published 2024-05-07T22:54:37.825Z
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Expert Analysis

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CVSS Score

V3.0
7.8
/10
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.011
probability
of exploitation in the wild

There is a 1.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.774
Higher than 77.4% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

Foxit PDF Editor Polygon Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. 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 validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14366.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Foxit

PDF Editor

Affected Versions:

11.0.0.49893
foxit

pdf_editor

Affected Versions:

0
foxit

pdf_editor

Affected Versions:

0
foxit

pdf_editor

Affected Versions:

0
foxit

pdf_reader

Affected Versions:

0
foxit

phantompdf

Affected Versions:

0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-23pf-68h2-4x9r

Advisory Details

Foxit PDF Editor Polygon Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. 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 validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14366.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-34964
WEB https://www.foxit.com/support/security-bulletins.html
WEB https://www.zerodayinitiative.com/advisories/ZDI-21-1195

Advisory provided by GitHub Security Advisory Database. Published: May 8, 2024, Modified: May 8, 2024

References

https://www.zerodayinitiative.com/advisories/ZDI-21-1195/
https://www.foxit.com/support/security-bulletins.html
Published: 2024-05-07T22:54:37.825Z
Last Modified: 2024-08-04T00:26:55.650Z
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