BigBlueButton up to 3.0.12 answerIds improper check or handling of exceptional conditions

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in BigBlueButton up to 3.0.12. The impacted element is an unknown function. Performing a manipulation of the argument answerIds results in improper check or handling of exceptional conditions. This vulnerability is reported as CVE-2025-61601. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in BigBlueButton up to 3.0.12. This affects an unknown code. The manipulation of the argument answerIds with an unknown input leads to a improper check or handling of exceptional conditions vulnerability. CWE is classifying the issue as CWE-703. The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product. This is going to have an impact on availability. The summary by CVE is:

BigBlueButton is an open-source virtual classroom. A Denial of Service (DoS) vulnerability in versions prior to 3.0.13 allows any authenticated user to freeze or crash the entire server by abusing the polling feature's `Choices` response type. By submitting a malicious payload with a massive array in the `answerIds` field, the attacker can cause the current meeting — and potentially all meetings on the server — to become unresponsive. Version 3.0.13 contains a patch. No known workarounds are available.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-61601 since 09/26/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 3.0.13 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (GitHub_M): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper check or handling of exceptional conditions
CWE: CWE-703
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: BigBlueButton 3.0.13

Timelineinfo

09/26/2025 CVE reserved
10/09/2025 +13 days Advisory disclosed
10/09/2025 +0 days VulDB entry created
10/09/2025 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2025-61601 (🔒)
GCVE (CVE): GCVE-0-2025-61601
GCVE (VulDB): GCVE-100-327807

Entryinfo

Created: 10/09/2025 23:06
Changes: 10/09/2025 23:06 (62)
Complete: 🔍
Cache ID: 216::103

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