CVEvulnerability
CVE-2018-3761
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-07-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
- CVSS 2.0 ([email protected])
- 5.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:N
- Weaknesses
- CWE-287
Description
Nextcloud Server before 12.0.8 and 13.0.3 suffer from improper authentication on the OAuth2 token endpoint. Missing checks potentially allowed handing out new tokens in case the OAuth2 client was partly compromised.
Affected configurations
• nextcloud nextcloud server (< 12.0.8)
• nextcloud nextcloud server (>= 13.0.0 < 13.0.3)
Related
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://hackerone.com/reports/343111 Third Party Advisory
- https://nextcloud.com/security/advisory/?id=nc-sa-2018-003 Broken Link, Vendor Advisory
- https://hackerone.com/reports/343111 Third Party Advisory
- https://nextcloud.com/security/advisory/?id=nc-sa-2018-003 Broken Link, Vendor Advisory