CVE-2018-3762
MEDIUMCVSS 4.3/10EPSS 0.89%
Last modified
CVE-2018-3762 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.
Description
Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | < 12.0.8 |
| Nextcloud | Nextcloud Server | >= 13.0.0, < 13.0.3 |
References
- https://hackerone.com/reports/358339Third Party Advisory
- https://nextcloud.com/security/advisory/?id=nc-sa-2018-002Broken Link, Vendor Advisory
- https://hackerone.com/reports/358339Third Party Advisory
- https://nextcloud.com/security/advisory/?id=nc-sa-2018-002Broken Link, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-3762?
Nextcloud Server before 12.0.8 and 13.0.3 suffers from improper checks of dropped permissions for incoming shares allowing a user to still request previews for files it should not have access to.
How severe is CVE-2018-3762?
CVE-2018-3762 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.
How do I fix CVE-2018-3762?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-3762?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST