Insufficient Session Expiration in Nexrcloud Server and Enterprise Server

Published: 2023-05-29
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-32318
Exploitation vector Network
Public exploit N/A
Vulnerable software
Nextcloud Server
Client/Desktop applications / Messaging software

Nextcloud Enterprise Server
Client/Desktop applications / Messaging software

Vendor Nextcloud

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Insufficient Session Expiration

EUVDB-ID: #VU76588

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-32318

CWE-ID: CWE-613 - Insufficient Session Expiration

Exploit availability: No


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient session expiration issue. A remote user can obtain or guess session token and gain unauthorized access to session that belongs to another user.


Install updates from vendor's website.

Vulnerable software versions

Nextcloud Server: 25.0.2 - 26.0.0

Nextcloud Enterprise Server: 25.0.2 - 26.0.0

External links

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.