CVE-2020-27613
HIGHCVSS 8.4/10EPSS 0.27%
Last modified
CVE-2020-27613 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. The installation procedure in BigBlueButton before 2.2.28 (or earlier) uses ClueCon as the FreeSWITCH password, which allows local users to achieve unintended FreeSWITCH access.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
The installation procedure in BigBlueButton before 2.2.28 (or earlier) uses ClueCon as the FreeSWITCH password, which allows local users to achieve unintended FreeSWITCH access.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bigbluebutton | Bigbluebutton | < 2.2.28 |
References
- https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-2010-151610.htmlExploit, Third Party Advisory
- https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-2010-151610.htmlExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-27613?
The installation procedure in BigBlueButton before 2.2.28 (or earlier) uses ClueCon as the FreeSWITCH password, which allows local users to achieve unintended FreeSWITCH access.
How severe is CVE-2020-27613?
CVE-2020-27613 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27613?
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-2020-27613?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST