Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-28833 |
CWE-ID | CWE-657 |
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 low risk vulnerability.
EUVDB-ID: #VU74347
Risk: Low
CVSSv3.1: 2.1 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-28833
CWE-ID:
CWE-657 - Violation of Secure Design Principles
Exploit availability: No
DescriptionThe vulnerability allows a remote user to compromise the target system.
The vulnerability exists due to violation of secure design principles. A remote administrator has ability to control the filename when uploading a logo or favicon in the theming settings.
MitigationInstall updates from vendor's website.
Vulnerable software versionsNextcloud Enterprise Server: 23.0.0 - 25.0.3
Nextcloud Server: 24.0.0 - 25.0.3
External linkshttp://github.com/nextcloud/server/pull/36095
http://github.com/nextcloud/security-advisories/security/advisories/GHSA-ch7f-px7m-hg25
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.