VDB-187254 · CVE-2021-34424 · GCVE-0-2021-34424

Zoom Client for Meetings state issue

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Zoom Client for Meetings, Rooms for Conference Room, Controllers for Zoom Rooms, VDI, SDK, Meeting SDK, Video SDK, On-Premise Meeting Connector Controller, On-Premise Meeting Connector MMR, On-Premise Recording Connector, On-Premise Virtual Room Connector, On-Premise Virtual Room Connector Load Balancer, Hybrid Zproxy and Hybrid MMR and classified as critical. Affected by this issue is some unknown functionality. The manipulation results in state issue. This vulnerability is cataloged as CVE-2021-34424. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Zoom Client for Meetings, Rooms for Conference Room, Controllers for Zoom Rooms, VDI, SDK, Meeting SDK, Video SDK, On-Premise Meeting Connector Controller, On-Premise Meeting Connector MMR, On-Premise Recording Connector, On-Premise Virtual Room Connector, On-Premise Virtual Room Connector Load Balancer, Hybrid Zproxy and Hybrid MMR (Unified Communication Software). Affected is an unknown code. The manipulation with an unknown input leads to a state issue vulnerability. CWE is classifying the issue as CWE-371. This is going to have an impact on confidentiality.

The weakness was shared 11/25/2021. The advisory is available at explore.zoom.us. This vulnerability is traded as CVE-2021-34424 since 06/09/2021. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Unified Communication Software

Vendor

Zoom

Name

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (Zoom Video Communications, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: State issue
CWE: CWE-371
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/09/2021 🔍
11/25/2021 +169 days 🔍
11/25/2021 +0 days 🔍
11/27/2021 +2 days 🔍

Sourcesinfo

Advisory: explore.zoom.us
Status: Confirmed

CVE: CVE-2021-34424 (🔍)
GCVE (CVE): GCVE-0-2021-34424
GCVE (VulDB): GCVE-100-187254

Entryinfo

Created: 11/25/2021 07:41
Updated: 11/27/2021 21:28
Changes: 11/25/2021 07:41 (47), 11/27/2021 21:14 (1), 11/27/2021 21:28 (1)
Complete: 🔍
Cache ID: 216::103