What’s Vulnerable › Vulnerabilities

CVE-2018-15121

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-08-29 · updated 2026-06-17
• Weakness: CWE-352

Description

An issue was discovered in Auth0 auth0-aspnet and auth0-aspnet-owin. Affected packages do not use or validate the state parameter of the OAuth 2.0 and OpenID Connect protocols. This leaves applications vulnerable to CSRF attacks during authentication and authorization operations.

Affected products

• auth0 Aspnet: all versions
• auth0 Aspnet-Owin: all versions

References

• https://auth0.com/docs/security/bulletins/cve-2018-15121
• https://auth0.com/docs/security/bulletins/cve-2018-15121

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