VulnerabilityModified
CVE-2020-27602
BigBlueButton before 2.2.7 does not have a protection mechanism for separator injection in meetingId, userId, and authToken.
CRITICAL 9.8EPSS 1.42%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
BigBlueButton before 2.2.7 does not have a protection mechanism for separator injection in meetingId, userId, and authToken.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.42% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74
- Affected
- bigbluebutton/bigbluebutton
- Source
- cve@mitre.org
References
- https://github.com/bigbluebutton/bigbluebutton/commit/4bfd924c64da2681f4c037026021f47eb189d717Patch, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.6...v2.2.7Release Notes, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/commit/4bfd924c64da2681f4c037026021f47eb189d717Patch, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.6...v2.2.7Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.