Vulnerability · Published Dec 22, 2020 · Assigned by talos

CVE-2020-13557

High 8.8

In plain English

A high-severity use-after-free in Foxit. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 70.3% (higher than 99.4% of all known vulnerabilities).

Severity (CVSS 3.0)8.8High

Exploit odds (30 days)70.3%top 0.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	Foxit	Foxit Reader Version: 10.1.0.37527

Weakness: CWE-416 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1171 x_refsource_MISC