CVE-2023-5543

lowpriority · track · 13EPSS 0.003 · 16 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.25% (16th) EPSS

CVSS 3.3 · low

Is it mine?

8 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

3.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.13.3lowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 1.8 · impact 1.4

v3.13.3lowCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.13.3lowCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · patrick@puiterwijk.orgexploitability 1.8 · impact 1.4

v3.13.1lowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284US

affected products (8)

Products and version ranges known to be affected.

fedoraproject extra packages for enterprise linux= 7.0nvdUScpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:*:*:*:*:*:*:*:*
fedoraproject fedora= 38nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
moodle moodle4.0.0 → 4.0.11nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle4.1.0 → 4.1.6nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle4.2.0 → 4.2.3nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Bitnami moodle4.0.0 → 4.0.11osvUSpkg:bitnami/moodle
Bitnami moodle4.1.0 → 4.1.6osvUSpkg:bitnami/moodle
Bitnami moodle4.2.0 → 4.2.3osvUSpkg:bitnami/moodle

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2701Moodle: Mehrere SchwachstellenDeutsch2023-10-17csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Moodle ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Informationen offenzulegen oder einen Cross-Site-Scripting-Angriff durchzuführen.
BIT-moodle-2023-5543Moodle: duplicating a bigbluebutton activity assigns the same meeting id2024-03-06vendor · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv cert_bund NVD CVE.org MITRE

published 2023-11-09modified 2026-06-17

references (11)

External citations — patches, advisories, analysis.

scry

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