High severity · published Nov 15, 2024
CVE-2024-52510
Nextcloud Desktop client behaves incorrectly if the initial end-to-end-encryption signature is empty
7.5
CVSS
0.8%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
security-advisories · nextcloud
>= 3.0.0, < 3.14.2 · source: vendor
DE
Desktop · Nextcloud
3.0.0 before 3.14.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-52510
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-52510
Patch
https://github.com/nextcloud/desktop/commit/97539218e6f63c3a3fd1694cb7d8aef27c5910d7
Patch
https://github.com/nextcloud/desktop/pull/7333
Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-r4qc-m9mj-452v
Issue Tracking
https://hackerone.com/reports/2597504
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