VulnerabilityModified
CVE-2020-26163
BigBlueButton Greenlight before 2.5.6 allows HTTP header (Host and Origin) attacks, which can result in Account Takeover if a victim follows a spoofed password-reset link.
HIGH 8.8EPSS 1.53%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
BigBlueButton Greenlight before 2.5.6 allows HTTP header (Host and Origin) attacks, which can result in Account Takeover if a victim follows a spoofed password-reset link.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.53% probability · 73th percentile
- CISA KEV
- Not listed
- Affected
- bigbluebutton/greenlight
- Source
- cve@mitre.org
References
- https://github.com/bigbluebutton/greenlight/pull/1543Patch, Third Party Advisory
- https://github.com/bigbluebutton/greenlight/releases/tag/release-2.5.6Third Party Advisory
- https://www.sakshamanand.com/host-header-injection-bigbluebutton/Exploit, Third Party Advisory
- https://github.com/bigbluebutton/greenlight/pull/1543Patch, Third Party Advisory
- https://github.com/bigbluebutton/greenlight/releases/tag/release-2.5.6Third Party Advisory
- https://www.sakshamanand.com/host-header-injection-bigbluebutton/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.