CVE-2021-27576

Apache OpenMeetings: bandwidth can be overloaded with public web service

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Published Mar 15, 2021 CVSS 3.1 · 7.5 High EPSS 2.8% KEV · Not listed

Description

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 Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Apache Software Foundation

Apache OpenMeetings

affected

Version	Status	Constraints
`4.0.0`	affected	< Apache OpenMeetings 4*
`Apache OpenMeetings 5`	affected	≤ 5.1.0

Configuration 1 [-]

cpe:2.3:a:apache:openmeetings:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-1375	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
Github GHSA	GHSA-px9f-597f-wmcf	Uncontrolled Resource Consumption in Apache OpenMeetings server

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.8% (2.840% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://lists.apache.org/thread.html/r9bb615bd70a0197368f5f3ffc887162686caeb0b5fc30592a7a871e9%40%3Cuser.openmeetings.apache.org%3E

History

No history.

Subscriptions

Apache Openmeetings

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Feb 13, 2025, 4:27 PM

Status: PUBLISHED
Assigner: apache
Published: Mar 15, 2021, 9:05 AM
Updated: Feb 13, 2025, 4:27 PM
Reserved: Feb 23, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:45 AM

Status: Modified
Published: Mar 15, 2021, 9:15 AM
Modified: Jun 17, 2026, 3:45 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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