Medium severity · published Aug 29, 2022
CVE-2021-40326
Foxit PDF Reader before 11.1 and PDF Editor before 11.1, and PhantomPDF before 10.1.6, mishandle hidden and incremental data in signed documents
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
Foxit PDF Reader before 11.1 and PDF Editor before 11.1, and PhantomPDF before 10.1.6, mishandle hidden and incremental data in signed documents. An attacker can write to an arbitrary file, and display controlled contents, during signature verification.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PE
Pdf Editor · Foxit
11.0 before 11.1 · source: NVD
PR
Pdf Reader · Foxit
11.0 before 11.1 · source: NVD
PH
Phantompdf · Foxit
before 10.1.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-40326
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-40326
Vendor Advisory
https://www.foxit.com/support/security-bulletins.html
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