Zoom On-Premise Meeting Connector MMR prior 4.8.129.20220714 Waiting Room access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.5$0-$5k0.00

A vulnerability classified as critical was found in Zoom On-Premise Meeting Connector MMR. This vulnerability affects an unknown code block of the component Waiting Room Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Zoom On-Premise Meeting Connector MMR before version 4.8.129.20220714 contains an improper access control vulnerability. As a result, a malicious actor can join a meeting which they are authorized to join without appearing to the other participants, can admit themselves into the meeting from the waiting room, and can become host and cause other meeting disruptions.

The weakness was presented 08/11/2022. The advisory is available at explore.zoom.us. This vulnerability was named CVE-2022-28754 since 04/06/2022. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 4.8.129.20220714 eliminates this vulnerability.

See VDB-245442, VDB-245443, VDB-245445 and VDB-245446 for similar entries.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.1
CNA Vector (Zoom Video Communications, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: On-Premise Meeting Connector MMR 4.8.129.20220714

Timelineinfo

04/06/2022 🔍
08/11/2022 +127 days 🔍
08/11/2022 +0 days 🔍
08/11/2022 +0 days 🔍

Sourcesinfo

Advisory: explore.zoom.us
Status: Confirmed

CVE: CVE-2022-28754 (🔍)
See also: 🔍

Entryinfo

Created: 08/11/2022 20:50
Changes: 08/11/2022 20:50 (49)
Complete: 🔍
Cache ID: 3:636:103

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