CVE-2023-39959
- Source
- https://cve.org/CVERecord?id=CVE-2023-39959
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-39959.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2023-39959
- Aliases
-
- GHSA-g97r-8ffm-hfpj
- Published
- 2023-08-10T17:07:42.367Z
- Modified
- 2026-07-11T03:54:48.151066171Z
- Severity
-
- 3.5 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N CVSS Calculator
- Summary
- Existence of calendars and address books can be checked by unauthenticated users
- Details
-
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.9, 26.0.4, and 27.0.1, unauthenticated users could send a DAV request which reveals whether a calendar or an address book with the given identifier exists for the victim. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39959.json", "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-284" ] }- References
-
- https://hackerone.com/reports/1832126
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39959.json
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g97r-8ffm-hfpj
- https://nvd.nist.gov/vuln/detail/CVE-2023-39959
- https://github.com/nextcloud/server/pull/38747
Affected packages
Git / github.com/nextcloud/server
Affected ranges
- Type
- GIT
- Repo
- https://github.com/nextcloud/server
- Events
- Database specific
{ "source": [ "CPE_RANGE", "CPE_STRING" ], "extracted_events": [ { "introduced": "25.0.0" }, { "fixed": "25.0.9" }, { "introduced": "26.0.0" }, { "fixed": "26.0.4" }, { "introduced": "27.0.0" }, { "last_affected": "27.0.0" } ], "cpe": [ "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*", "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*", "cpe:2.3:a:nextcloud:nextcloud_server:27.0.0:*:*:*:-:*:*:*", "cpe:2.3:a:nextcloud:nextcloud_server:27.0.0:*:*:*:enterprise:*:*:*" ] }
Affected versions
27.*
27.0.0
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
v25.0.8
v25.0.8rc1
v25.0.8rc2
v25.0.9rc1
v25.0.9rc2
v26.*
v26.0.0
v26.0.1
v26.0.1rc1
v26.0.2
v26.0.2rc1
v26.0.3
v26.0.3rc1
v26.0.3rc2
v26.0.4rc1
v26.0.4rc2