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TI-2017-14099 Aliases CVE-2017-20028GHSA-gvfm-vv3m-pgfr

HumHub privileges management

Priority MEDIUM 44CWE-269Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-269.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00844 58th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
unspecifiedHumHub0.20.1; 1.0.0-beta.3—No fix listedCNA
  • HumHub Vendorunspecified Affected 0.20.1; 1.0.0-beta.3 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:humhub:humhub:0.20.1:*:*:*:*:*:*:*0.20.1Vulnerablehumhub
cpe:2.3:a:humhub:humhub:1.0.0:beta3:*:*:*:*:*:*1.0.0 beta3Vulnerablehumhub
  • cpe:2.3:a:humhub:humhub:0.20.1:*:*:*:*:*:*:* Versions 0.20.1 Vulnerable ·humhub
  • cpe:2.3:a:humhub:humhub:1.0.0:beta3:*:*:*:*:*:* Versions 1.0.0 beta3 Vulnerable ·humhub

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-20028
  2. 2026-10-03 Alias added: GHSA-gvfm-vv3m-pgfr

References

Advisory 1

  • TI-2022-08676 Improper access control in humhub CVSS 3.1MEDIUM 6.5
  • TI-2017-14097 HumHub Reflected cross site scriting CVSS 3.1MEDIUM 6.1
  • TI-2024-34921 User enumeration in HubHub CVSS 4.0MEDIUM 6.9
  • TI-2014-07750 SQL injection vulnerability in the actionIndex function in… CVSS 2.0HIGH 7.5
  • TI-2019-08643 A cross-site scripting (XSS) vulnerability in HumHub 1.3.12 allows remote attackers to… CVSS 3.0MEDIUM 6.1
  • TI-2025-39853 HumHub is vulnerable to XSS through its Meta Search component CVSS 4.0HIGH 7.1
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences