Multiple vulnerabilities in Zoom VDI Windows Meeting
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2023-34120 CVE-2023-34121 CVE-2023-28603 |
| CWE-ID | CWE-269 CWE-20 CWE-284 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Virtual Desktop Infrastructure (VDI) Server applications / Conferencing, Collaboration and VoIP solutions |
| Vendor | Zoom Video Communications, Inc. |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Improper privilege management
EUVDB-ID: #VU77159
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-34120
CWE-ID:
CWE-269 - Improper Privilege Management
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges.
The vulnerability exists due to improper privilege management. A local user can utilize higher level system privileges maintained by the Zoom client to spawn processes with escalated privileges.
MitigationInstall updates from vendor's website.
Vulnerable software versionsVirtual Desktop Infrastructure (VDI): 5.0.1 - 5.13.11
CPE2.3- cpe:2.3:a:zoom_video_communications:vdi:5.13.11:*:*:*:*:*:*:
- cpe:2.3:a:zoom_video_communications:vdi:5.13.10:*:*:*:*:*:*:
- cpe:2.3:a:zoom_video_communications:vdi:5.13.1:*:*:*:*:*:*:
http://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23012
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.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Input validation error
EUVDB-ID: #VU77161
Risk: Medium
CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-34121
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can gain access to sensitive information.
Install updates from vendor's website.
Vulnerable software versionsVirtual Desktop Infrastructure (VDI): 5.0.1 - 5.13.11
CPE2.3- cpe:2.3:a:zoom_video_communications:vdi:5.13.11:*:*:*:*:*:*:
- cpe:2.3:a:zoom_video_communications:vdi:5.13.10:*:*:*:*:*:*:
- cpe:2.3:a:zoom_video_communications:vdi:5.13.1:*:*:*:*:*:*:
http://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23013
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Improper access control
EUVDB-ID: #VU77171
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-28603
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a local user to delete arbitrary files on the system.
The vulnerability exists due to improper access restrictions within Zoom VDI client installer. A local user can delete arbitrary files on the system.
Install updates from vendor's website.
Vulnerable software versionsVirtual Desktop Infrastructure (VDI): 5.0.1 - 5.13.11
CPE2.3- cpe:2.3:a:zoom_video_communications:vdi:5.13.11:*:*:*:*:*:*:*
- cpe:2.3:a:zoom_video_communications:vdi:5.13.10:*:*:*:*:*:*:*
- cpe:2.3:a:zoom_video_communications:vdi:5.13.1:*:*:*:*:*:*:*
http://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23011
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.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
