CVE-2023-39952

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-39952
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-39952.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-39952
Aliases
  • GHSA-cq8w-v4fh-4rjq
Published
2023-08-10T13:50:50.528Z
Modified
2025-11-29T14:34:01.080793Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
Advanced permissions not respected when copying entire group folders
Details

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3, and 27.0.1, a user can access files inside a subfolder of a groupfolder accessible to them, even if advanced permissions would block access to the subfolder. Nextcloud Server versions 25.0.8, 26.0.3, and 27.0.1 and Nextcloud Enterprise Server versions 22.2.10.13, 23.0.12.8, 24.0.12.4, 25.0.8, 26.0.3, and 27.0.1 contain a patch for this issue. No known workarounds are available.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39952.json",
    "cwe_ids": [
        "CWE-284"
    ]
}
References

Affected packages

Git / github.com/nextcloud/server

Affected ranges

Type
GIT
Repo
https://github.com/nextcloud/server
Events
Introduced
20ea9a25353129b56d46951fe7d23939665ab2b2
Fixed
82f744bb016b059a55d1c6c476a665029e55cedc
Database specific 
{
    "versions": [
        {
            "introduced": "25.0.0"
        },
        {
            "fixed": "25.0.8"
        }
    ]
}
Type
GIT
Repo
https://github.com/nextcloud/server
Events
Introduced
62cfd3b4c9ff4d8cdbbe6dcc8b63a1085bb94e3d
Fixed
5348e530ea6c61e443cf4f5cab7f4ed97ddd14d3
Database specific 
{
    "versions": [
        {
            "introduced": "26.0.0"
        },
        {
            "fixed": "26.0.3"
        }
    ]
}
Type
GIT
Repo
https://github.com/nextcloud/server
Events
Introduced
add4e4365a4040d2e4e6aa79c0d03c3edd78583c
Fixed
e9174a418927eade3a1e6261978b27abdfdfcef6
Database specific 
{
    "versions": [
        {
            "introduced": "27.0.0"
        },
        {
            "fixed": "27.0.1"
        }
    ]
}

Affected versions

v25.*

v25.0.0
v25.0.1
v25.0.1rc1
v25.0.2
v25.0.2rc1
v25.0.2rc2
v25.0.2rc3
v25.0.3
v25.0.3rc1
v25.0.3rc2
v25.0.4
v25.0.4rc1
v25.0.5
v25.0.5rc1
v25.0.6
v25.0.6rc1
v25.0.7
v25.0.7rc1
v25.0.8rc1
v25.0.8rc2

v26.*

v26.0.0
v26.0.1
v26.0.1rc1
v26.0.2
v26.0.2rc1
v26.0.3rc1
v26.0.3rc2

v27.*

v27.0.0
v27.0.1rc1
v27.0.1rc2