CVSS v3
8.8
HIGH
EPSS Score
19.8%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
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.
Active exploitation of CVE-2021-21822 has not been confirmed. The EPSS score is 19.8%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2021-21822 has a CVSS v3 base score of 8.8 (HIGH severity).
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
Ranked by exploit probability (EPSS).