What’s Vulnerable › Vulnerabilities

CVE-2024-10295: Gateway: apicast basic auth bypass via malformed base64 headerssending non-base64 'basic' auth with special characters causes apicast to incorrectly authenticate a request

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-24 · updated 2026-06-17
• Weakness: CWE-863

Description

A flaw was found in Gateway. Sending a non-base64 'basic' auth with special characters can cause APICast to incorrectly authenticate a request. A malformed basic authentication header containing special characters bypasses authentication and allows unauthorized access to the backend. This issue can occur due to a failure in the base64 decoding process, which causes APICast to skip the rest of the authentication checks and proceed with routing the request upstream.

Affected products

• Red Hat 3scale API Management Platform 2: 2.0

References

• https://access.redhat.com/security/cve/CVE-2024-10295
• https://bugzilla.redhat.com/show_bug.cgi?id=2321258

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