CVE-2020-26163 Information

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 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

https://github.com/bigbluebutton/greenlight/pull/1543 https://github.com/bigbluebutton/greenlight/releases/tag/release-2.5.6 https://www.sakshamanand.com/host-header-injection-bigbluebutton/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8