CVE-2021-33794

CRITICAL
Published Aug 11, 20214y ago · Modified Jun 17, 20262w ago
9.1 CVSS 3.1
Critical
Find Similar
Published Aug 11, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 allow information disclosure or an application crash after mishandling the Tab key during XFA form interaction.

CVSS Details

Base Score
9.1
Exploitability
3.9
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 2

VendorProductVersionRange
foxitsoftwarefoxit_reader* <10.1.4
foxitsoftwarephantompdf* <10.1.4

References 1

  • foxitsoftware.com https://www.foxitsoftware.com/support/security-bulletins.html
    PatchVendor Advisory

Remediation

  • foxitsoftware.com https://www.foxitsoftware.com/support/security-bulletins.html
    PatchVendor Advisory