CVE-2023-25579
Directory traversal in Nextcloud server
Nextcloud server is a self hosted home cloud product. In affected versions the OC\Files\Node\Folder::getFullPath() function was validating and normalizing the string in the wrong order. The function is used in the newFile() and newFolder() items, which may allow to creation of paths outside of ones own space and overwriting data from other users with crafted paths. This issue has been addressed in versions 25.0.2, 24.0.8, and 23.0.12. Users are advised to upgrade. There are no known workarounds for this issue.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Directory traversal in Nextcloud server
Nextcloud server is a self hosted home cloud product. In affected versions the OC\Files\Node\Folder::getFullPath() function was validating and normalizing the string in the wrong order. The function is used in the newFile() and newFolder() items, which may allow to creation of paths outside of ones own space and overwriting data from other users with crafted paths. This issue has been addressed in versions 25.0.2, 24.0.8, and 23.0.12. Users are advised to upgrade. There are no known workarounds for this issue.
- Record
CVE-2023-25579- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2023-29522
Nextcloud server is a self hosted home cloud product. In affected versions the OC\Files\Node\Folder::getFullPath() function was validating and normalizing the string in the wrong order. The function is used in the newFile() and newFolder() items, which may allow to creation of paths outside of ones own space and overwriting data from other users with crafted paths. This issue has been addressed in versions 25.0.2, 24.0.8, and 23.0.12. Users are advised to upgrade. There are no known workarounds for this issue.
- Record
EUVD-2023-29522- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L - Updated
- 2026-11-02
NVD
Nextcloud server is a self hosted home cloud product. In affected versions the OC\Files\Node\Folder::getFullPath() function was validating and normalizing the string in the wrong order. The function is used in the newFile() and newFolder() items, which may allow to creation of paths outside of ones own space and overwriting data from other users with crafted paths. This issue has been addressed in versions 25.0.2, 24.0.8, and 23.0.12. Users are advised to upgrade. There are no known workarounds for this issue.
- Record
CVE-2023-25579- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSV
Directory traversal in Nextcloud server
Nextcloud server is a self hosted home cloud product. In affected versions the OC\Files\Node\Folder::getFullPath() function was validating and normalizing the string in the wrong order. The function is used in the newFile() and newFolder() items, which may allow to creation of paths outside of ones own space and overwriting data from other users with crafted paths. This issue has been addressed in versions 25.0.2, 24.0.8, and 23.0.12. Users are advised to upgrade. There are no known workarounds for this issue.
- Record
CVE-2023-25579- CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVopenSUSE-SU-2023:0083-1 No score
Security update for nextcloud
This update for nextcloud fixes the following issues:
-
Update to 23.0.12 See: https://nextcloud.com/changelog/#latest23
-
This also fix security issues:
- CVE-2022-35931: Password Policy app could generate passwords that would be block (boo#1203190)
- CVE-2022-39346: Missing length validation of user displayname allows to generate an SQL error (boo#1205802)
- CVE-2023-25579: Potential directory traversal in OC\Files\Node\Folder::getFullPath (boo#1208591)
- Record
openSUSE-SU-2023:0083-1- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-25579 is a medium vulnerability (CVSS 6.0) in Nextcloud Server, published February 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.51%, the 43rd percentile. No source names a fixed version.
References
github.com/nextcloud/security-advisories/security/advisories/GHSA-273v-9h7x-p68v
nvd.nist.gov/vuln/detail/CVE-2023-25579
lists.opensuse.org/archives/list/[email protected]/thread/M7E2FX5KGET4IYNWVYBLR7XYJMJ7SJD4
bugzilla.suse.com/1203190