CVE-2021-33506

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-26 · updated 2026-06-17
Weakness: CWE-276

Description

jitsi-meet-prosody in Jitsi Meet before 2.0.5963-1 does not ensure that restrict_room_creation is set by default. This can allow an attacker to circumvent conference moderation.

Affected products

jitsi-meet: before 2.0.5963 — fixed in 2.0.5963

How to fix

Upgrade to a fixed version: jitsi-meet 2.0.5963. Check the vendor advisory for mitigations.

References

https://github.com/jitsi/jitsi-meet/compare/5025...5026
https://github.com/jitsi/jitsi-meet/pull/9252/files
https://github.com/jitsi/security-advisories/blob/master/advisories/JSA-2021-0001.md
https://github.com/jitsi/jitsi-meet/compare/5025...5026
https://github.com/jitsi/jitsi-meet/pull/9252/files
https://github.com/jitsi/security-advisories/blob/master/advisories/JSA-2021-0001.md

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