CVE-2021-31473
Last modified
CVE-2021-31473 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 5.54% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Foxitsoftware | Phantompdf | <= 9.7.5.29616 |
| Foxitsoftware | Phantompdf | >= 10.0.0.0, <= 10.1.3.37598 |
| Foxitsoftware | Reader | <= 10.1.3.37598 |
References
- https://www.foxitsoftware.com/support/security-bulletins.phpVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-561/Third Party Advisory, VDB Entry
- https://www.foxitsoftware.com/support/security-bulletins.phpVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-561/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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