CVE-2023-49104 json
An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled.
published 2023-11-21 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-53113
- cvss
- 8.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker.
Patch / fix
- owncloud oauth2 0.6.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.7 | CVSS:3.1/AC:H/AV:N/A:N/C:H/I:H/PR:N/S:C/UI:N |
| CNA | 3.1 | 8.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
References
-
owncloud.org
/security
vendor-advisory
-
owncloud.com
/security-advisories/subdomain-validation-bypass/
vendor-advisory
Sources
- CVE List CVE-2023-49104
- NVD CVE-2023-49104
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