CVE-2021-21822
Last modified
CVE-2021-21822 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 1.75% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Foxitsoftware | Foxit Reader | 10.1.3.37598 |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1287Exploit, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1287Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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