CVE-2024-38273

moodle: BigBlueButton web service leaks meeting joining information to users who should not have access

5.4 MediumFix available

Insufficient capability checks meant it was possible for users to gain access to BigBlueButton join URLs they did not have permission to access.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: Low

Exploit likelihood

0.43%Up 0.4 points since Jun 19, 2024

What each source reports

CVE List Score used 5.4

moodle: BigBlueButton web service leaks meeting joining information to users who should not have access

Insufficient capability checks meant it was possible for users to gain access to BigBlueButton join URLs they did not have permission to access.

Record: CVE-2024-38273
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Weakness: CWE-284
Updated: 2026-11-02

EUVDEUVD-2024-2201 5.4

Insufficient capability checks meant it was possible for users to gain access to BigBlueButton join URLs they did not have permission to access.

Record: EUVD-2024-2201
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-x29x-qwvx-fxr2 5.3

Moodle BigBlueButton web service leaks meeting joining information

Insufficient capability checks meant it was possible for users to gain access to BigBlueButton join URLs they did not have permission to access.

Record: GHSA-x29x-qwvx-fxr2
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-284
Updated: 2026-11-02

NVD 5.4

Insufficient capability checks meant it was possible for users to gain access to BigBlueButton join URLs they did not have permission to access.

Record: CVE-2024-38273
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Weakness: CWE-284
Updated: 2026-11-02

OSV 5.4

moodle: BigBlueButton web service leaks meeting joining information to users who should not have access

Insufficient capability checks meant it was possible for users to gain access to BigBlueButton join URLs they did not have permission to access.

Record: CVE-2024-38273
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Weakness: CWE-284
Updated: 2026-11-02

OSVGHSA-x29x-qwvx-fxr2 5.3

Moodle BigBlueButton web service leaks meeting joining information

Insufficient capability checks meant it was possible for users to gain access to BigBlueButton join URLs they did not have permission to access.

Record: GHSA-x29x-qwvx-fxr2
CVSS 4.0: 5.3 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-284
Updated: 2026-11-02

OSVUBUNTU-CVE-2024-38273 5.4

Insufficient capability checks meant it was possible for users to gain access to BigBlueButton join URLs they did not have permission to access.

Record: UBUNTU-CVE-2024-38273
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Updated: 2026-11-02

OSVBIT-moodle-2024-38273 No score

moodle: BigBlueButton web service leaks meeting joining information to users who should not have access

Insufficient capability checks meant it was possible for users to gain access to BigBlueButton join URLs they did not have permission to access.

Record: BIT-moodle-2024-38273
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`moodle/moodle` Packagist	4.4.0-beta up to 4.4.1	4.4.1
`moodle/moodle` Packagist	4.3.0-beta up to 4.3.5	4.3.5
`moodle/moodle` Packagist	4.2.0-beta up to 4.2.8	4.2.8
`moodle/moodle` Packagist	before 4.1.11	4.1.11
`moodle` Bitnami	4.1.0 up to 4.1.11, 4.2.0 up to 4.2.8, 4.3.0 up to 4.3.5, 4.4.0 up to 4.4.1	4.1.114.2.84.3.54.4.1
`moodle/moodle` Packagist	4.4.0-beta up to 4.4.1, plus listed versions v4.4.0v4.4.0-betav4.4.0-rc1v4.4.0-rc2	4.4.1
`moodle/moodle` Packagist	4.3.0-beta up to 4.3.5, plus listed versions v4.3.0v4.3.0-betav4.3.0-rc1v4.3.0-rc2v4.3.1v4.3.2v4.3.3v4.3.4	4.3.5
`moodle/moodle` Packagist	4.2.0-beta up to 4.2.8, plus listed versions v4.2.0v4.2.0-betav4.2.0-rc1v4.2.0-rc2v4.2.1 Show 6 moreShow less v4.2.2v4.2.3v4.2.4v4.2.5v4.2.6v4.2.7	4.2.8
`moodle/moodle` Packagist	before 4.1.11, plus listed versions v2.3.10v2.3.11v2.3.4v2.3.5v2.3.6 Show 45 moreShow less v2.3.7v2.3.8v2.3.9v2.4.0v2.4.0-rc1v2.4.1v2.4.10v2.4.11v2.4.2v2.4.3v2.4.4v2.4.5v2.4.6v2.4.7v2.4.8v2.4.9v2.5.0v2.5.0-betav2.5.0-rc1v2.5.1v2.5.2v2.5.3v2.5.4v2.5.5v2.5.6v2.5.7v2.5.8v2.5.9v2.6.0v2.6.0-betav2.6.0-rc1v2.6.1v2.6.10v2.6.11v2.6.2v2.6.3v2.6.4v2.6.5v2.6.6v2.6.7v2.6.8v2.6.9v2.7.0v2.7.0-betav2.7.0-rc1	4.1.11
`moodle` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1	None known
`moodle` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-38273 is a medium vulnerability (CVSS 5.4) in Moodle, published June 18, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. Fixed in moodle/moodle 4.4.1.

References

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This page doesn't list everything

Left out here: 293 versions. The JSON record has them.