Is CVE-2025-61601 in the CISA KEV catalog?

No. CVE-2025-61601 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-61601?

CVE-2025-61601 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2025-61601?

CVE-2025-61601 has an EPSS score of 0.44% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-61601?

Upgrade bigbluebutton to 3.0.13 or later.

CVE & CISA-KEV Catalog

CVE-2025-61601

HIGH

7.5

CVSS v3

NVD

Description

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.

CWE-703

How to fix

Remediation Available

bigbluebuttonNVD

Affected:< 3.0.13Fixed in:3.0.13CVE-2025-61601derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.44%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Patch1

github.com

Exploit2

Related Vulnerabilities

Other CWE-703 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-21894	Critical	9.8	19%	-	-
CVE-2019-5031	High	8.8	6.0%	-	-
CVE-2023-49786	High	7.5	5.3%	-	Fix
CVE-2024-10781	High	8.1	3.8%	-	Fix
CVE-2024-22052	High	7.5	3.8%	-	-
CVE-2024-22053	High	8.2	3.5%	-	-

Embed a live status badge for CVE-2025-61601

Markdown

[![CVE-2025-61601](https://tridentstack.com/cve/badge/CVE-2025-61601.svg)](https://tridentstack.com/cve/CVE-2025-61601)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-61601"><img src="https://tridentstack.com/cve/badge/CVE-2025-61601.svg" alt="CVE-2025-61601"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-20.