Vulnerabilities

Nextcloud Desktop any version

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

25CVEs

CVE-2024-46958

In 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 readable. This is fixed in 3.13.4.

Published 2024-09-16 · Modified

9.1EPSS 0.006

CVE-2021-22879

Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server to execute remote commands. User interaction is needed for exploitation.

Published 2021-04-14 · Modified

8.8EPSS 0.047

CVE-2020-8224

A code injection in Nextcloud Desktop Client 2.6.4 allowed to load arbitrary code when placing a malicious OpenSSL config into a fixed directory.

Published 2020-08-10 · Modified

7.8EPSS 0.007

CVE-2024-37885

Code injection in Nextcloud Desktop Client for macOS

Published 2024-06-14 · Modified

7.8EPSS 0.003

CVE-2020-8225

A cleartext storage of sensitive information in Nextcloud Desktop Client 2.6.4 gave away information about used proxies and their authentication credentials.

Published 2020-09-18 · Modified

7.5EPSS 0.009

CVE-2024-52510

Nextcloud Desktop client behaves incorrectly if the initial end-to-end-encryption signature is empty

Published 2024-11-15 · Analyzed

7.5EPSS 0.007

CVE-2021-37617

Untrusted Search Path in Nextcloud Desktop Client

Published 2021-08-18 · Modified

7.3EPSS 0.005

CVE-2020-8227

Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory.

Published 2020-08-21 · Modified

7.1EPSS 0.258

CVE-2023-28999

Nextcloud: Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders

Published 2023-04-04 · Modified

6.9EPSS 0.007

CVE-2023-28997

Nextcloud Desktop: Initialization vector reuse in E2EE allows malicious server admin to break, manipulate, access files

Published 2023-04-04 · Modified

6.7EPSS 0.011

CVE-2020-8140

A code injection in Nextcloud Desktop Client 2.6.2 for macOS allowed to load arbitrary code when starting the client with DYLD_INSERT_LIBRARIES set in the environment.

Published 2020-03-20 · Modified

6.7EPSS 0.007

CVE-2023-28998

Nextcloud Desktop client misbehaves with E2EE when the server returns empty list of metadata keys

Published 2023-04-04 · Modified

6.7EPSS 0.007

CVE-2021-32728

End-to-end encryption device setup did not verify public key

Published 2021-08-18 · Modified

6.5EPSS 0.009

CVE-2023-29000

Nextcloud Desktop client does not verify received singed certificate in end-to-end encryption

Published 2023-04-04 · Modified

6.5EPSS 0.004

CVE-2022-39333

Cross-site scripting (XSS) in Nextcloud Desktop Client

Published 2022-11-25 · Modified

6.1EPSS 0.009

CVE-2023-23942

Self reflected HTML injection in Desktop client

Published 2023-02-06 · Modified

6.1EPSS 0.007

CVE-2025-47792

Nextcloud Desktop 3rdparty applications can create share links via socket API

Published 2025-05-16 · Analyzed

6.1EPSS 0.002

CVE-2021-22895

Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate validation due to lack of SSL certificate verification when using the "Register with a Provider" flow.

Published 2021-06-11 · Modified

5.9EPSS 0.010

CVE-2020-8229

A memory leak in the OCUtil.dll library used by Nextcloud Desktop Client 2.6.4 can lead to a DoS against the host system.

Published 2020-08-10 · Modified

5.5EPSS 0.005

CVE-2020-8230

A memory corruption vulnerability exists in NextCloud Desktop Client v2.6.4 where missing ASLR and DEP protections in for windows allowed to corrupt memory.

Published 2020-08-17 · Modified

5.5EPSS 0.004

CVE-2020-8189

A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local links) when responding with invalid data on the login attempt.

Published 2020-08-21 · Modified

5.4EPSS 0.014

CVE-2022-39332

Cross-site scripting (XSS) in Nextcloud Desktop Client

Published 2022-11-25 · Modified

5.4EPSS 0.009

CVE-2022-39331

Cross-site Scripting (XSS) in Nexcloud Desktop Client

Published 2022-11-25 · Modified

5.4EPSS 0.009

CVE-2022-39334

nextcloudcmd incorrectly trusts bad TLS certificates