CVE-2020-27602
CRITICALCVSS 9.8/10EPSS 1.39%
Last modified
CVE-2020-27602 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. BigBlueButton before 2.2.7 does not have a protection mechanism for separator injection in meetingId, userId, and authToken.. EPSS estimates a 1.39% chance of exploitation in the next 30 days.
Description
BigBlueButton before 2.2.7 does not have a protection mechanism for separator injection in meetingId, userId, and authToken.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bigbluebutton | Bigbluebutton | < 2.2.7 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-27602?
BigBlueButton before 2.2.7 does not have a protection mechanism for separator injection in meetingId, userId, and authToken.
How severe is CVE-2020-27602?
CVE-2020-27602 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27602?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-27602?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST