Critical severity · published Aug 11, 2021
CVE-2021-33794
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
9.1
CVSS
1.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Foxit Reader · Foxitsoftware
before 10.1.4 · source: NVD
PH
Phantompdf · Foxitsoftware
before 10.1.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-33794
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-33794
Patch
https://www.foxitsoftware.com/support/security-bulletins.html
More from Foxit Reader
9.8
CVE-2021-38574
An issue was discovered in Foxit Reader and PhantomPDF before 10.1.4
9.8
CVE-2021-38573
An issue was discovered in Foxit Reader and PhantomPDF before 10.1.4
9.8
CVE-2021-38572
An issue was discovered in Foxit Reader and PhantomPDF before 10.1.4
9.8
CVE-2021-38568
An issue was discovered in Foxit Reader and PhantomPDF before 10.1.4
9.8
CVE-2021-33793
Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 have an out-of-bounds write because the Cross-Reference table is mishandled during Office document conversion
