Is CVE-2020-28439 actively exploited?

No active exploitation of CVE-2020-28439 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-28439 be exploited remotely?

Yes. CVE-2020-28439 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-28439?

CVE-2020-28439 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2020-28439

CRITICAL

CVE-2020-28439

CWE-78Published: December 11, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

This affects all versions of package corenlp-js-prefab. The injection point is located in line 10 in 'index.js.' It depends on a vulnerable package 'corenlp-js-interface.' Vulnerability can be exploited with the following PoC:

NVD Source

Technical Analysis

CVE-2020-28439 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.