CVE-2017-20028
HumHub privileges management
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
HumHub privileges management
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.
- Record
CVE-2017-20028- CVSS 3.1
- 5.6 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L - Weakness
- CWE-269
- Updated
- 2026-11-02
EUVDEUVD-2017-11043
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.
- Record
EUVD-2017-11043- CVSS 3.1
- 5.6 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-gvfm-vv3m-pgfr
A vulnerability was found in HumHub 0.20.1/1.0.0-beta.3. It has been classified as critical. This...
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.
- Record
GHSA-gvfm-vv3m-pgfr- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2017-20028- CVSS 3.1
- 5.6 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-269
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2017-20028- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-20028 is a medium vulnerability (CVSS 5.6) in Humhub, published June 9, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 58th percentile. No source names a fixed version.