Security readout for executives and security teams
CVE-2017-20028 is a privilege-management issue in HumHub 0.20.1 and 1.0.0-beta.3. A remote attacker could gain elevated privileges, but the published CVSS score is medium because attack complexity is high and expected impact is limited. The cited fix is upgrading to HumHub 1.0.0. Exposure is likely limited to organizations still running HumHub 0.20.1 or 1.0.0-beta.3, especially internet-facing deployments. Environments already upgraded to the fixed 1.0.0 release are not identified as affected in the provided sources. Treat this as a moderate-priority remediation unless an affected HumHub instance is internet-facing or business-critical. Upgrade planning is justified because the issue concerns privilege escalation, but the sources do not support claims of active exploitation. Mitigation focus: Upgrade affected HumHub deployments to version 1.0.0, as named by the advisory.; Inventory externally reachable HumHub instances before prioritizing remediation.; Check HumHub vendor guidance for supported upgrade and migration notes..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-269: Authorization and privilege behavior lookup
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Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-20028 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L2.23.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.6MediumVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://vuldb.com/?id.98925CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
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