VulnerabilityModified
CVE-2020-25820
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.
MEDIUM 6.5EPSS 10.5%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.5%, higher than 95% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 10.48% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- bigbluebutton/bigbluebutton
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/159667/BigBlueButton-2.2.25-File-Disclosure-Server-Side-Request-Forgery.htmlExploit, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/commit/71fe1eac1e5bd73a2cd44bd79c001086b250e435Patch, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.26...v2.2.27Release Notes, Third Party Advisory
- https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-2010-151610.htmlExploit, Third Party Advisory
- https://www.redteam-pentesting.de/advisories/rt-sa-2020-005Third Party Advisory
- http://packetstormsecurity.com/files/159667/BigBlueButton-2.2.25-File-Disclosure-Server-Side-Request-Forgery.htmlExploit, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/commit/71fe1eac1e5bd73a2cd44bd79c001086b250e435Patch, Third Party Advisory
- https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.26...v2.2.27Release Notes, Third Party Advisory
- https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-2010-151610.htmlExploit, Third Party Advisory
- https://www.redteam-pentesting.de/advisories/rt-sa-2020-005Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.