CVE-2021-33506 json
jitsi-meet-prosody in Jitsi Meet before 2.0.5963-1 does not ensure that restrict_room_creation is set by default.
published 2021-05-26 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20205
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- 8x8 jitsi_meet 2.0.5963
- github.com/jitsi/jitsi-meet#9252 pull request
- github.com/jitsi/jitsi-meet/compare/5025...5026 advisory
Exploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-276 Incorrect Default Permissions
References
-
github.com
/jitsi/jitsi-meet/pull/9252/files
patch, third-party-advisory
-
github.com
/jitsi/jitsi-meet/compare/5025...5026
patch, third-party-advisory
-
github.com
/jitsi/security-advisories/blob/master/advisories/JSA-2021-0001.md
third-party-advisory
Sources
- CVE List CVE-2021-33506
- NVD CVE-2021-33506
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