Vulnerability · Published Sep 30, 2020 · Assigned by mitre
CVE-2020-26163
High 8.8
In plain English
A high-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 1.5% (higher than 75% of all known vulnerabilities).
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.5%top 25.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
References
- https://www.sakshamanand.com/host-header-injection-bigbluebutton/ x_refsource_MISC
- https://github.com/bigbluebutton/greenlight/releases/tag/release-2.5.6 x_refsource_MISC
- https://github.com/bigbluebutton/greenlight/pull/1543 x_refsource_MISC