CVE-2023-39542

Foxit Reader vulnerability

CVSS

8.8

EPSS

3.3%

EPSS pct

87th

Exploited

No known

A code execution vulnerability exists in the Javascript saveAs API of Foxit Reader 12.1.3.15356. A specially crafted malformed file can create arbitrary files, which can lead to remote code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

Affected vendor

Foxitsoftware

Affected product

Foxit Reader

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness type (CWE)

Published

2023-11-27

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2023-39542

Confirm whether Foxitsoftware Foxit Reader is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-39542.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-39542

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