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CVE-2021-21822

ExploitedNVDCIRCLENISA

EUVD-2021-8993 · Published May 10, 2021

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.

Technologies

Foxitsoftware Foxit Reader

Weaknesses

CWE-416

CVSS scores

  • v3.18.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • v2.06.8AV:N/AC:M/Au:N/C:P/I:P/A:P

MITRE ATT&CK

Inferred

Where this vulnerability fits in an attack

Initial Access

References

Potentially impacted assets

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