CVE-2020-10807

Name: CVE-2020-10807
Creator: NVD / NIST
Published: 2020-03-22T16:15:12.417+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.44%

Last modified Jun 17, 2026

CVE-2020-10807 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 1.44% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

1.44%

69.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-290

Affected Software

Vendor	Product	Versions
Mitre	Caldera	< 2.6.5

References

https://github.com/mitre/caldera/compare/2.6.4...2.6.5Third Party Advisory
https://github.com/mitre/caldera/issues/1405Third Party Advisory
https://github.com/mitre/caldera/pull/1407Patch, Third Party Advisory
https://github.com/mitre/caldera/releases/tag/2.6.5Release Notes, Third Party Advisory
https://github.com/mitre/caldera/compare/2.6.4...2.6.5Third Party Advisory
https://github.com/mitre/caldera/issues/1405Third Party Advisory
https://github.com/mitre/caldera/pull/1407Patch, Third Party Advisory
https://github.com/mitre/caldera/releases/tag/2.6.5Release Notes, Third Party Advisory

Timeline

Published: Mar 22, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10807?

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.

How severe is CVE-2020-10807?

CVE-2020-10807 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.44% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10807?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-10807?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST