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CVE-2023-5543— Moodle: duplicating a bigbluebutton activity assigns the same meeting id

Quick assessment

Affected
CVE-2023-5543
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Moodle是一套免费、开源的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle 存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。

CVSS 3.3 · Low EPSS 0.24% · P15

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token

I. Basic Information for CVE-2023-5543

Vulnerability Information
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Vulnerability Title
Moodle: duplicating a bigbluebutton activity assigns the same meeting id
Source: CVE Program / CVE List V5
Vulnerability Description
When duplicating a BigBlueButton activity, the original meeting ID was also duplicated instead of using a new ID for the new activity. This could provide unintended access to the original meeting.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Moodle 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moodle是一套免费、开源的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle 存在安全漏洞。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

II. Public POCs for CVE-2023-5543

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III. Intelligence Information for CVE-2023-5543

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Vendor Advisories for CVE-2023-5543 (1)

Other References for CVE-2023-5543 (2)

IV. Related Vulnerabilities

Same weakness: CWE-284

V. Comments for CVE-2023-5543

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