What is CVE-2020-27847?

CVE-2020-27847 is a critical-severity vulnerability in Linuxfoundation Dex, classified under CWE-228. CVSS score: 9.8/10. Published 2021-05-28.

How severe is CVE-2020-27847?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Linuxfoundation Dex

CVE-2020-27847

A vulnerability exists in the SAML connector of the github.com/dexidp/dex library used to process SAML Signature Validation. This flaw allows an attacker to bypass SAML authentication. The highest threat from this vulnerability is to confi…

EPSS: 0.017 (74.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linuxfoundation Dex
N/a Dexidp/dex — versions dex 2.27.0

Weakness classification (CWE)

CWE-228

References

secalert@redhat.com (x_refsource_MISC, Vendor Advisory)
secalert@redhat.com (Third Party Advisory, x_refsource_MISC, Issue Tracking)
secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-27847?: CVE-2020-27847 is a critical-severity vulnerability in Linuxfoundation Dex, classified under CWE-228. CVSS score: 9.8/10. Published 2021-05-28.
How severe is CVE-2020-27847?: Critical severity. CVSS v3 base score is 9.8 out of 10.