How severe is CVE-2020-13570?

CVE-2020-13570 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-13570 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13570?

CVE-2020-13570 affects Foxitsoftware Foxit Reader. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13570?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-13570 published?

CVE-2020-13570 was published on 2020-12-22 and last updated on 2026-06-17.

CVE-2020-13570

CVE-2020-13570 is a high-severity vulnerability in Foxitsoftware Foxit Reader with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-416
Affected product: Foxitsoftware Foxit Reader
Published: 2020-12-22
Last modified: 2026-06-17

Description

A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.0.37527. 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 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.

Frequently asked questions

What is CVE-2020-13570?: A use-after-free vulnerability exists in the JavaScript engine of Foxit Software’s PDF Reader, version 10.1.0.37527. 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 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.
How severe is CVE-2020-13570?: CVE-2020-13570 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-13570 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13570?: CVE-2020-13570 affects Foxitsoftware Foxit Reader. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13570?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-13570 published?: CVE-2020-13570 was published on 2020-12-22 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1181

Affected products (1)

cpe:2.3:a:foxitsoftware:foxit_reader:10.1.0.37527:*:*:*:*:*:*:*

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