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.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.sakshamanand.com/host-header-injection-bigbluebutton/	Exploit Third Party Advisory
https://github.com/bigbluebutton/greenlight/releases/tag/release-2.5.6	Third Party Advisory
https://github.com/bigbluebutton/greenlight/pull/1543	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:bigbluebutton:greenlight:*:*:*:*:*:*:*:*

Information

Published : 2020-09-30 11:15

Updated : 2020-10-15 09:30

NVD link : CVE-2020-26163

Mitre link : CVE-2020-26163

JSON object : View

CWE

NVD-CWE-Other

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Products Affected

bigbluebutton

greenlight

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