CVE-2020-15233: OAuth2 Redirect URL validity does not respect query parameters and character casing for loopback addresses

CVE-2020-15233 · Severity: low · CVSS 3 · Published 2021-05-24

OAuth2 Redirect URL validity does not respect query parameters and character casing for loopback addresses

Technologies: github.com/ory/fosite (Go). Vendors: Go.

Quick answers

Is CVE-2020-15233 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-15233 being exploited in the wild.
How severe is CVE-2020-15233?
Low severity, with a CVSS score of 3, published 24 May 2021.
Which products and versions are affected?
github.com/ory/fosite (Go) SEMVER:introduced=0.30.3,fixed=0.34.1.
Is there a fix for CVE-2020-15233?
Yes. github.com/ory/fosite (Go): upgrade to 0.34.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-15233?
Check whether you run github.com/ory/fosite (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/ory/fosite (Go): upgrade to 0.34.1 or later
    go get github.com/ory/fosite@v0.34.1

Affected products

  • github.com/ory/fosite (Go) SEMVER:introduced=0.30.3,fixed=0.34.1

Identifiers

  • CVE-2020-15233
  • GHSA-rfq3-w54c-f9q5

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