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Vulnerability record · CVE-2024-52510 · published 15 November 2024

CVE-2024-52510: Nextcloud desktop improper certificate validation vulnerability

Nextcloud · Desktop

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. The Desktop client did not stop with an error but allowed by-passing the signature validation, if a manipulated server sends an empty initial signature. It is recommended that the Nextcloud Desktop client is upgraded to 3.14.2 or later.

7.5 CVSS 3.1 High EPSS 0.74% · top 47.3% CWE-295 · Improper certificate validation
7.5CVSS 3.1 base score
0.74%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. The Desktop client did not stop with an error but allowed by-passing the signature validation, if a manipulated server sends an empty initial signature. It is recommended that the Nextcloud Desktop client is upgraded to 3.14.2 or later.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/nextcloud/desktop/commit/97539218e6f63c3a3fd1694cb7d8aef27c5910d7 Patch
https://github.com/nextcloud/desktop/pull/7333 Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-r4qc-m9mj-452v Third Party Advisory
https://hackerone.com/reports/2597504 Issue Tracking

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.1CVE-2024-46958Nextcloud desktop vulnerabilityIn Nextcloud Desktop Client 3.13.1 through 3.13.3 on Linux, synchronized files (between the server and client) may become world writable or world rea…EPSS 0.56%8.8CVE-2023-22472Nextcloud desktop cross-site request forgery vulnerabilityDeck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. It is possible to m…EPSS 0.20%8.8CVE-2021-22879Nextcloud desktop injection vulnerabilityNextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server to exec…EPSS 4.7%7.8CVE-2024-37885Nextcloud desktop code injection vulnerabilityThe Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. A code injection in Nextcloud Desktop Client fo…EPSS 0.32%7.8CVE-2022-41882Nextcloud desktop code injection vulnerabilityThe Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. In version 3.6.0, if a user received a maliciou…EPSS 0.49%7.8CVE-2020-8224Nextcloud desktop code injection vulnerabilityA code injection in Nextcloud Desktop Client 2.6.4 allowed to load arbitrary code when placing a malicious OpenSSL config into a fixed directory.EPSS 0.66%7.5CVE-2020-8225Nextcloud desktop cleartext storage of sensitive data vulnerabilityA cleartext storage of sensitive information in Nextcloud Desktop Client 2.6.4 gave away information about used proxies and their authentication cred…EPSS 0.91%7.3CVE-2021-37617Nextcloud desktop untrusted search path vulnerabilityThe Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with a computer. The Nextcloud Desktop Client invokes its uninstall…EPSS 0.46%

Source: NIST National Vulnerability Database (record CVE-2024-52510), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.