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CVE-2021-33506

24
FAUCET Score

CVE-2021-33506 affects Jitsi Meet before version 2.0.5963-1, specifically the jitsi-meet-prosody component. The vulnerability stems from the default configuration not enforcing "restrict_room_creation," allowing attackers to bypass conference moderation controls. This is a high-severity vulnerability (CVSS 7.5) with a low attack complexity, requiring no user interaction, and could lead to unauthorized modification of conference settings. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.5963CPE matchmatch criteria
cpe:2.3:a:8x8:jitsi_meet:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.17%
Probability of exploitation in next 30 days
EPSS Percentile
64.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0117 is in the 43rd percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / jitsi/jitsi-meet/compare/5025...5026
PatchThird Party Advisory
github.com / jitsi/jitsi-meet/pull/9252/files
PatchThird Party Advisory
github.com / jitsi/security-advisories/blob/master/advisories/JSA-2021-0001.md
Third Party Advisory