CVE-2021-21822
Severity
8.8HIGH
EPSS
19.8%
top 4.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 10
Latest updateMay 24
Description
A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.3.37598. A specially crafted PDF document can trigger the reuse of previously free memory, which can lead to arbitrary code execution. An attacker needs to trick the user into opening a malicious file or site to trigger this vulnerability if the browser plugin extension is enabled.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9