How severe is CVE-2023-29000?

CVE-2023-29000 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-29000 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-29000?

CVE-2023-29000 affects Nextcloud Desktop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-29000?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-29000 published?

CVE-2023-29000 was published on 2023-04-04 and last updated on 2026-06-17.

CVE-2023-29000

CVE-2023-29000 is a medium-severity vulnerability in Nextcloud Desktop with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Nextcloud Desktop
Published: 2023-04-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-29000?: 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.
How severe is CVE-2023-29000?: CVE-2023-29000 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-29000 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-29000?: CVE-2023-29000 affects Nextcloud Desktop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-29000?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-29000 published?: CVE-2023-29000 was published on 2023-04-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:*

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