CVE-2023-32319

What it is

Nextcloud server is an open source personal cloud implementation. Missing brute-force protection on the WebDAV endpoints via the basic auth header allowed to brute-force user credentials when the provided user name was not an email address. Users from version 24.0.0 onward are affected. This issue has been addressed in releases 24.0.11, 25.0.5 and 26.0.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering.

Exploit odds

0.7% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2023-05-26 23:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 05:58 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.7% in the next 30 days (EPSS).
• Severity: 8.1 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2023-05-26 23:15 UTC

Last modified

2026-06-17 05:58 UTC

Exploit probability

0.7% · EPSS, next 30 days

Weakness

CWE-307

Record status

Modified

Affected

• Nextcloud Server < 24.0.11
• Nextcloud Server < 25.0.5

Attack profile CVSS 3.1 · 8.1

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-32319.md and follow it. Check whether this project is affected by CVE-2023-32319. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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