CVE-2020-12112 json
BigBlueButton before 2.2.5 allows remote attackers to obtain sensitive files via Local File Inclusion.
published 2020-04-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4428
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.3%
- EPSS 5.3% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
BigBlueButton before 2.2.5 allows remote attackers to obtain sensitive files via Local File Inclusion.
Patch / fix
- bigbluebutton bigbluebutton 2.2.5
Exploit prediction
5.28% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/tchenu/CVE-2020-12112 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/bigbluebutton/bigbluebutton/compare/v2.2.4...v2.2.5
patch, third-party-advisory
-
github.com
/tchenu/CVE-2020-12112
exploit, third-party-advisory
-
twitter.com
/thibeault_chenu/status/1249976515917422593
third-party-advisory
-
twitter.com
/bigbluebutton/status/1252706369486180353
third-party-advisory
-
cwe.mitre.org
/data/definitions/23.html
third-party-advisory
Sources
- CVE List CVE-2020-12112
- NVD CVE-2020-12112
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