What’s Vulnerable › Vulnerabilities

CVE-2020-10807

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-22 · updated 2026-06-17
• Weakness: CWE-290

Description

auth_svc in Caldera before 2.6.5 allows authentication bypass (for REST API requests) via a forged "localhost" string in the HTTP Host header.

Affected products

• MITRE Caldera: before 2.6.5 — fixed in 2.6.5

How to fix

Upgrade to a fixed version: MITRE Caldera 2.6.5. Check the vendor advisory for mitigations.

References

• https://github.com/mitre/caldera/compare/2.6.4...2.6.5
• https://github.com/mitre/caldera/issues/1405
• https://github.com/mitre/caldera/pull/1407
• https://github.com/mitre/caldera/releases/tag/2.6.5
• https://github.com/mitre/caldera/compare/2.6.4...2.6.5
• https://github.com/mitre/caldera/issues/1405
• https://github.com/mitre/caldera/pull/1407
• https://github.com/mitre/caldera/releases/tag/2.6.5

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