Vulnerability · Published Oct 21, 2020 · Assigned by mitre
CVE-2020-25820
Medium 6.5
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 10.5% (higher than 96% of all known vulnerabilities).
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)10.5%top 4.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
BigBlueButton before 2.2.7 allows remote authenticated users to read local files and conduct SSRF attacks via an uploaded Office document that has a crafted URL in an ODF xlink field.
Affected products (as reported)
References
- https://www.redteam-pentesting.de/advisories/rt-sa-2020-005 x_refsource_MISC
- https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-2010-151610.html x_refsource_MISC
- http://packetstormsecurity.com/files/159667/BigBlueButton-2.2.25-File-Disclosure-Server-Side-Request-Forgery.html x_refsource_MISC
- https://github.com/bigbluebutton/bigbluebutton/commit/71fe1eac1e5bd73a2cd44bd79c001086b250e435 x_refsource_MISC
- https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.26...v2.2.27 x_refsource_MISC