Is CVE-2020-28437 actively exploited?

No active exploitation of CVE-2020-28437 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-28437 be exploited remotely?

Yes. CVE-2020-28437 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-28437?

CVE-2020-28437 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2020-28437

CRITICAL

CVE-2020-28437

CWE-77Published: August 2, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

This affects all versions of package heroku-env. The injection point is located in lib/get.js which is required by index.js.

NVD Source

Risk Analysis

The heroku-env package contains an injection vulnerability that allows for arbitrary command execution. This critical flaw requires immediate attention to prevent unauthorized access or system control.

No public exploit is known, and it is not in the KEV catalog. The flaw is remotely exploitable.

Recommended Action

Users should update the heroku-env package to a patched version or remove the dependency if possible.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2020-28437 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.