Uncontrolled Resource Consumption in Apache OpenMeetings server
If was found that the NetTest web service can be used to overload the bandwidth of a Apache OpenMeetings server. This issue was addressed in Apache OpenMeetings 6.0.0
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.openmeetings:openmeetings-parent | >= 4.0.0, < 6.0.0 | 6.0.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-27576
- https://github.com/apache/openmeetings/commit/060a3114ad759931aeb42cd9afa9d1ebb39d3075
- https://github.com/apache/openmeetings/commit/afe26c950b127776f2dfe920abff41a584874de8
- https://github.com/apache/openmeetings/commit/cbdfd2f9731a8fe3daa9b4adf5da4a063fde161d
- https://issues.apache.org/jira/browse/OPENMEETINGS-2551
- https://lists.apache.org/thread.html/r9bb615bd70a0197368f5f3ffc887162686caeb0b5fc30592a7a871e9%40%3Cuser.openmeetings.apache.org%3E
- https://openmeetings.apache.org/security.html#cve-2021-27576---apache-openmeetings-bandwidth-can
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-400- Platform
- Java / Kotlin (Maven)
- Package
org.apache.openmeetings:openmeetings-parent- Disclosed
- 16.06.2021
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-px9f-597f-wmcf - CC BY 4.0
Vulnerability history: org.apache.openmeetings:openmeetings-parent
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 25
- First → latest
- 06.2021 04.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 5
- High 14
- Medium 6
Disclosures per year
- 2021: 1
- 2022: 17
- 2023: 3
- 2024: 0
- 2025: 1
- 2026: 3
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