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.

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

EPSS: 0.006 (43.4th percentile) — read the EPSS interpretation.

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.

Affected products

Owncloud Oauth2
N/a — versions n/a

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

cve@mitre.org (Vendor Advisory)
cve@mitre.org (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.