Path Traversal in Bigbluebutton
CVE-2020-12112
BigBlueButton before 2.2.5 allows remote attackers to obtain sensitive files via Local File Inclusion.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.053 (92.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.053 · newest: 0.053 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- twitter.com/thibeault_chenu/status/1249976515917422593 (Third Party Advisory)
- twitter.com/bigbluebutton/status/1252706369486180353 (Third Party Advisory)
- github.com/bigbluebutton/bigbluebutton/compare/v2.2.4...v2.2.5 (Patch, Third Party Advisory)
- cwe.mitre.org/data/definitions/23.html (Third Party Advisory)
- github.com/tchenu/CVE-2020-12112 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12112?
- CVE-2020-12112 is a high-severity vulnerability in Bigbluebutton, classified under Path Traversal. CVSS score: 7.5/10. Published 2020-04-23.
- How severe is CVE-2020-12112?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-12112 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.