Vulnerability in Drupal Saml Sp 2.0 Single Sign On

CVE-2022-26493

Xecurify's miniOrange Premium, Standard, and Enterprise Drupal SAML SP modules possess an authentication and authorization bypass vulnerability. An attacker with access to a HTTP-request intercepting method is able to bypass authentication and authorization by removing the SAML Assertion Signature - impersonating existing users and existing roles, including administrative users/roles. This vulnerability is not mitigated by configuring the module to enforce signatures or certificate checks. Xecurify recommends updating miniOrange modules to their most recent versions. This vulnerability is present in paid versions of the miniOrange Drupal SAML SP product affecting Drupal 7, 8, and 9.

Vulnerability class: Improper Certificate Validation

EPSS: 0.006 (43.1th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-26493?
CVE-2022-26493 is a critical-severity vulnerability in Drupal Saml Sp 2.0 Single Sign On, classified under Improper Certificate Validation. CVSS score: 9.8/10. Published 2022-06-03.
How severe is CVE-2022-26493?
Critical severity. CVSS v3 base score is 9.8 out of 10.