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Vulnerability record · CVE-2017-20028 · published 9 June 2022

CVE-2017-20028: Humhub improper privilege management vulnerability

Humhub · Humhub

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.

9.8 CVSS 3.1 Critical EPSS 0.81% · top 44.7% CWE-269 · Improper privilege management
9.8CVSS 3.1 base score, v2 7.5
0.81%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://seclists.org/fulldisclosure/2017/Mar/48 Mailing ListThird Party Advisory
https://vuldb.com/?id.98925 Third Party Advisory
http://seclists.org/fulldisclosure/2017/Mar/48 Mailing ListThird Party Advisory
https://vuldb.com/?id.98925 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-20028), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.