CVE-2017-0885

Name: CVE-2017-0885
Creator: NVD / NIST
Published: 2017-04-05T20:59:00.273+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.90%

Last modified Jun 17, 2026

CVE-2017-0885 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Nextcloud Server before 9.0.55 and 10.0.2 suffers from a error message disclosing existence of file in write-only share. Due to an error in the application logic an adversary with access to a write-only share may enumerate the names of existing files and subfolders by comparing the exception messages.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

Description

Nextcloud Server before 9.0.55 and 10.0.2 suffers from a error message disclosing existence of file in write-only share. Due to an error in the application logic an adversary with access to a write-only share may enumerate the names of existing files and subfolders by comparing the exception messages.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.90%

55.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nextcloud	Nextcloud Server	< 9.0.55
Nextcloud	Nextcloud Server	>= 10.0.0, < 10.0.2

References

https://hackerone.com/reports/174524Third Party Advisory
https://nextcloud.com/security/advisory/?id=nc-sa-2017-003Broken Link, Patch, Vendor Advisory
https://hackerone.com/reports/174524Third Party Advisory
https://nextcloud.com/security/advisory/?id=nc-sa-2017-003Broken Link, Patch, Vendor Advisory

Timeline

Published: Apr 5, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-0885?

How severe is CVE-2017-0885?

CVE-2017-0885 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.

How do I fix CVE-2017-0885?

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-2017-0885?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST