Is CVE-2023-49104 actively exploited?

No active exploitation of CVE-2023-49104 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-49104 be exploited remotely?

Yes. CVE-2023-49104 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-49104?

CVE-2023-49104 has a CVSS score of 6.1 (MEDIUM).

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MEDIUM

CVE-2023-49104

CWE-601Published: November 21, 2023· Updated: Jun 17, 2026

6.1

CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2023-49104 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.