5.7med
CVE-2017-0936
Nextcloud Server before 11.0.7 and 12.0.5 suffers from an Authorization Bypass Through User-Controlled Key vulnerability.
Published 8 y ago · modified 4 mo ago · JSON
CVSS
5.7
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.8%
percentile 55%
Public exploits
0
none known
Summary
Nextcloud Server before 11.0.7 and 12.0.5 suffers from an Authorization Bypass Through User-Controlled Key vulnerability. A missing ownership check allowed logged-in users to change the scope of app passwords of other users. Note that the app passwords themselves where neither disclosed nor could the error be misused to identify as another user.
Exploit prediction (EPSS)
0.75% probability of exploitation in the next 30 days, higher than 55% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 5.7 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.9 | AV:N/AC:M/Au:S/C:N/I:P/A:P |
Affected products
- Nextcloud Nextcloud Server
Classification
- Weakness
- CWE-639 Authorization Bypass Through User-Controlled Key
References
- hackerone.com /reports/297751 · x_refsource_MISC, x_transferred
- nextcloud.com /security/advisory/?id=nc-sa-2018-001 · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2017-0936
- NVD: CVE-2017-0936
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