CVE-2020-25820

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Published Oct 21, 2020 CVSS 3.1 · 6.5 Medium EPSS 10.5% KEV · Not listed

Description

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-18456	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 10.5% (10.482% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://packetstormsecurity.com/files/159667/BigBlueButton-2.2.25-File-Disclosure-Server-Side-Request-Forgery.html
https://github.com/bigbluebutton/bigbluebutton/commit/71fe1eac1e5bd73a2cd44bd79c001086b250e435
https://github.com/bigbluebutton/bigbluebutton/compare/v2.2.26...v2.2.27
https://www.golem.de/news/big-blue-button-das-grosse-blaue-sicherheitsrisiko-2010-151610.html
https://www.redteam-pentesting.de/advisories/rt-sa-2020-005

History

No history.

Subscriptions

Bigbluebutton Bigbluebutton

Weaknesses

CWE-918

Sources

CVE record Updated: Aug 4, 2024, 3:40 PM

Status: PUBLISHED
Assigner: mitre
Published: Oct 21, 2020, 1:01 PM
Updated: Aug 4, 2024, 3:40 PM
Reserved: Sep 23, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:07 AM

Status: Modified
Published: Oct 21, 2020, 1:15 PM
Modified: Jun 17, 2026, 3:07 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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