Is CVE-2018-20248 actively exploited?

No active exploitation of CVE-2018-20248 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-20248 be exploited remotely?

Yes. CVE-2018-20248 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-20248?

CVE-2018-20248 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2018-20248

CRITICAL

CVE-2018-20248

CWE-787Published: December 24, 2018· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

In Foxit Quick PDF Library (all versions prior to 16.12), issue where loading a malformed or malicious PDF containing invalid xref table pointers or invalid xref table data using the LoadFromFile, LoadFromString, LoadFromStream, DAOpenFile or DAOpenFileReadOnly functions may result in an access violation caused by out of bounds memory access.

NVD Source

Technical Analysis

CVE-2018-20248 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.