CVE-2021-31473

moderate-risk
Published 2021-05-21

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.1.3.37598. 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 browseForDoc function. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13523.

Do I need to act?

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13.9% chance of exploitation in next 30 days
EPSS score — higher than 86% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Foxitsoftware

References (4)

Vendor Advisory https://www.foxitsoftware.com/support/security-bulletins.php
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-561/
Vendor Advisory https://www.foxitsoftware.com/support/security-bulletins.php
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-561/
43
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 12/34 · Low
Exposure 7/34 · Low