Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-30539 |
CWE-ID | CWE-284 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Nextcloud Enterprise Server Client/Desktop applications / Messaging software Nextcloud Server Client/Desktop applications / Messaging software |
Vendor | Nextcloud |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU75399
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-30539
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A remote user can set up workflows using restricted and invisible system tags.
MitigationInstall updates from vendor's website.
Vulnerable software versionsNextcloud Enterprise Server: 21.0.0 - 25.0.4
Nextcloud Server: 24.0.0 - 25.0.4
External linkshttp://github.com/nextcloud/security-advisories/security/advisories/GHSA-3m2f-v8x7-9w99
http://hackerone.com/reports/1895976
http://github.com/nextcloud/server/pull/37252
http://github.com/nextcloud/files_automatedtagging/pull/705
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.