CVE-2020-26163

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.

8.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.48%

Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory sakshamanand.com

Affected: n/a n/a

References

Link	Tags
https://www.sakshamanand.com/host-header-injection-bigbluebutton/	third party advisory exploit
https://github.com/bigbluebutton/greenlight/releases/tag/release-2.5.6	third party advisory
https://github.com/bigbluebutton/greenlight/pull/1543	third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2020-26163?: CVE-2020-26163 has been scored as a high severity vulnerability.
How to fix CVE-2020-26163?: To fix CVE-2020-26163, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-26163 being actively exploited in the wild?: It is possible that CVE-2020-26163 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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