Local denial of service in Zoom Workplace Apps for Windows



Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2025-30670
CVE-2025-30671
CVE-2025-30672
CWE-ID CWE-476
Exploitation vector Local
Public exploit N/A
Vulnerable software
Zoom Workplace Desktop App for Windows
Client/Desktop applications / Office applications

Zoom Rooms Controller for Windows
Client/Desktop applications / Office applications

Zoom Rooms Client for Windows
Client/Desktop applications / Office applications

Virtual Desktop Infrastructure (VDI)
Server applications / Conferencing, Collaboration and VoIP solutions

Zoom Meeting SDK for Windows
Universal components / Libraries / Software for developers

Vendor Zoom Video Communications, Inc.

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU107151

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-30670

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoom Workplace Desktop App for Windows: 0.9.10042.0911 - 6.3.6.56144

Virtual Desktop Infrastructure (VDI): 6.1.0 - 6.2.11.25670

Zoom Rooms Controller for Windows: 6.1.0 - 6.3.5

Zoom Rooms Client for Windows: 4.6.5 18374.0407 - 6.3.0

Zoom Meeting SDK for Windows: 5.9.0 - 6.3.5

CPE2.3 External links

https://www.zoom.com/en/trust/security-bulletin/ZSB-25015/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) NULL pointer dereference

EUVDB-ID: #VU107152

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-30671

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoom Workplace Desktop App for Windows: 0.9.10042.0911 - 6.3.6.56144

Virtual Desktop Infrastructure (VDI): 6.1.0 - 6.2.11.25670

Zoom Rooms Controller for Windows: 6.1.0 - 6.3.5

Zoom Rooms Client for Windows: 4.6.5 18374.0407 - 6.3.0

Zoom Meeting SDK for Windows: 5.9.0 - 6.3.5

CPE2.3 External links

https://www.zoom.com/en/trust/security-bulletin/ZSB-25015/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) NULL pointer dereference

EUVDB-ID: #VU107153

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-30672

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoom Workplace Desktop App for Windows: 0.9.10042.0911 - 6.3.6.56144

Virtual Desktop Infrastructure (VDI): 6.1.0 - 6.2.11.25670

Zoom Rooms Controller for Windows: 6.1.0 - 6.3.5

Zoom Rooms Client for Windows: 4.6.5 18374.0407 - 6.3.0

Zoom Meeting SDK for Windows: 5.9.0 - 6.3.5

CPE2.3 External links

https://www.zoom.com/en/trust/security-bulletin/ZSB-25015/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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