cve.bz

CVE-2020-27604

6.5 mediumEPSS 1.1%

Medium (6.5) in bigbluebutton bigbluebutton. EPSS 1.1% chance of exploitation in the next 30 days.

BigBlueButton before 2.3 does not implement LibreOffice sandboxing. This might make it easier for remote authenticated users to read the API shared secret in the bigbluebutton.properties file. With the API shared secret, an attacker can (for example) use api/join to join an arbitrary meeting regardless of its guestPolicy setting.

Severity

CVSS 3.1

6.5 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWE
CWE-116
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON