CVE-2023-29000

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

Published Apr 4, 2023 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.7.0, by trusting that the server will return a certificate that belongs to the keypair of the user, a malicious server could get the desktop client to encrypt files with a key known to the attacker. This issue is fixed in Nextcloud Desktop 3.7.0. No known workarounds are available.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-32618 The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server. Starting with version 3.0.0 and prior to version 3.7.0, by trusting that the server will return a certificate that belongs to the keypair of the user, a malicious server could get the desktop client to encrypt files with a key known to the attacker. This issue is fixed in Nextcloud Desktop 3.7.0. No known workarounds are available.
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00573}

epss

{'score': 0.00477}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Feb 11, 2025, 4:20 PM
Reserved
Mar 29, 2023, 5:39 PM
Status
Modified
Published
Apr 4, 2023, 1:15 PM
Modified
Jun 17, 2026, 5:49 AM