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CVE-2020-25820

Good to know:

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Date: October 29, 2020

BigBlueButton before 2.2.7 allows remote authenticated users to read local files and conduct SSRF attacks via an uploaded Office document that has a crafted URL in an ODF xlink field.

Language: Java

Severity Score

Severity Score

Weakness Type (CWE)

Server-Side Request Forgery (SSRF)

CWE-918

Top Fix

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Upgrade Version

Upgrade to version 2.2.27

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CVSS v3.1

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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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