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CVE-2020-27602

Date: October 21, 2020

BigBlueButton before 2.2.7 does not have a protection mechanism for separator injection in meetingId, userId, and authToken.

Language: JS

Severity Score

Related Resources (5)

https://www.cve.org/CVERecord?id=CVE-2020-27602
https://github.com/bigbluebutton/bigbluebutton/commit/4bfd924c64da2681f4c037026021f47eb189d717
https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.6...v2.2.7
https://nvd.nist.gov/vuln/detail/CVE-2020-27602
https://www.mend.io/vulnerability-database/CVE-2020-27602

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-74

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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