High severity · published Aug 4, 2021
CVE-2021-34849
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893
7.8
CVSS
2.9%
EPSS
No
On KEV
Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. 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 handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14531.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.9% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PE
Pdf Editor · Foxitsoftware
through 10.1.4.37651; 11.0.0.49893 · source: NVD
PR
Pdf Reader · Foxit
through 11.0.0.49893 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-34849
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-34849
Vendor Advisory
https://www.foxit.com/support/security-bulletins.html
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-931/
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