Is CVE-2017-20028 actively exploited?

No active exploitation of CVE-2017-20028 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-20028 be exploited remotely?

Yes. CVE-2017-20028 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-20028?

CVE-2017-20028 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2017-20028

CWE-269Published: June 9, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability was found in HumHub 0.20.1/1.0.0-beta.3. It has been classified as critical. This affects an unknown part. The manipulation leads to privilege escalation. It is possible to initiate the attack remotely. Upgrading to version 1.0.0 is able to address this issue. It is recommended to upgrade the affected component.

NVD Source

Technical Analysis

CVE-2017-20028 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.