BigBlueButton up to 2.2.6 Office Document server-side request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in BigBlueButton up to 2.2.6. Affected is an unknown function of the component Office Document Handler. This manipulation causes server-side request forgery. This vulnerability appears as CVE-2020-25820. The attack may be initiated remotely. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in BigBlueButton up to 2.2.6. It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Office Document Handler. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 10/22/2020. The advisory is shared at redteam-pentesting.de. This vulnerability is known as CVE-2020-25820. The attack can be launched remotely. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 2.2.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (49070). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BigBlueButton 2.2.7

Timelineinfo

09/23/2020 🔍
10/22/2020 +29 days 🔍
10/22/2020 +0 days 🔍
11/03/2024 +1473 days 🔍

Sourcesinfo

Advisory: redteam-pentesting.de
Status: Confirmed

CVE: CVE-2020-25820 (🔍)
GCVE (CVE): GCVE-0-2020-25820
GCVE (VulDB): GCVE-100-163393
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/22/2020 19:33
Updated: 11/03/2024 11:05
Changes: 10/22/2020 19:33 (37), 11/25/2020 16:24 (2), 11/25/2020 16:27 (18), 11/03/2024 11:05 (24)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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