Moodle up to 4.0.10/4.1.5/4.2.2 BigBlueButton Activity access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Moodle up to 4.0.10/4.1.5/4.2.2. Affected by this issue is some unknown functionality of the component BigBlueButton Activity Handler. Executing a manipulation can lead to access control. The identification of this vulnerability is CVE-2023-5543. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Moodle up to 4.0.10/4.1.5/4.2.2 (Learning Management Software) and classified as critical. This vulnerability affects an unknown function of the component BigBlueButton Activity Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 10/19/2023. The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2023-5543 since 10/12/2023. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 261511 (Linux Distros Unpatched Vulnerability : CVE-2023-5543), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.0.11, 4.1.6 or 4.2.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (261511). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.3
CNA Vector (Fedora Project): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 261511
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-5543

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Moodle 4.0.11/4.1.6/4.2.3

Timelineinfo

10/12/2023 🔍
10/19/2023 +7 days 🔍
10/19/2023 +0 days 🔍
09/06/2025 +688 days 🔍

Sourcesinfo

Product: moodle.org

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2023-5543 (🔍)
GCVE (CVE): GCVE-0-2023-5543
GCVE (VulDB): GCVE-100-242914

Entryinfo

Created: 10/19/2023 08:02
Updated: 09/06/2025 12:00
Changes: 10/19/2023 08:02 (39), 11/11/2023 09:55 (1), 11/11/2023 09:57 (12), 09/06/2025 12:00 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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