Is CVE-2020-15233 actively exploited?

CVE-2020-15233 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2020-15233?

CVE-2020-15233 has a CVSS score of 6.1 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N.

How do I patch CVE-2020-15233?

Patch guidance is available from ory security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2020-15233.

CVE-2020-15233 - remediation guidance & executive summary

Description

ORY Fosite is a security first OAuth2 & OpenID Connect framework for Go. In Fosite from version 0.30.2 and before version 0.34.1, there is an issue in which an an attacker can override the registered redirect URL by performing an OAuth flow and requesting a redirect URL that is to the loopback adapter. Attackers can provide both custom URL query parameters to their loopback redirect URL, as well as actually overriding the host of the registered redirect URL. These attacks are only applicable in scenarios where the attacker has access over the loopback interface. This vulnerability has been patched in ORY Fosite v0.34.1.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: high
User Action: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none
Weaknesses: CWE-20 · Improper Input Validation CWE-601 CWE-601

Metadata

Primary Vendor: ORY
Published: 10/2/2020
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

ory : fosite

Remediation Guidance

Executive Summary

Cite this page

CVE-2020-15233. CVEDatabase.com. Retrieved 3 May 2026. https://cvedatabase.com/cve/CVE-2020-15233

View on NIST NVD

CVE-2020-15233 vulnerability