Open Redirect in ownCloud Oauth2
CVE-2023-49104
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.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (44.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
References
- owncloud.org/security (Vendor Advisory)
- owncloud.com/security-advisories/subdomain-validation-bypass/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-49104?
- CVE-2023-49104 is a high-severity vulnerability in ownCloud Oauth2, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 8.7/10. Published 2023-11-21.
- How severe is CVE-2023-49104?
- High severity. CVSS v3 base score is 8.7 out of 10.