Use After Free in Foxitsoftware Foxit Reader

CVE-2020-13560

A use after free vulnerability exists in the JavaScript engine of Foxit Software’s Foxit PDF Reader, version 10.1.0.37527. A specially crafted PDF document can trigger reuse of previously free memory which can lead to arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.

Vulnerability class: Use-After-Free

EPSS: 0.029 (85.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-13560?
CVE-2020-13560 is a high-severity vulnerability in Foxitsoftware Foxit Reader, classified under Use After Free. CVSS score: 8.8/10. Published 2020-12-22.
How severe is CVE-2020-13560?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-13560 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.