CVE-2019-18906: cryptctl: client side password hashing is equivalent to clear text password storage

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-06-30 · updated 2026-06-17
Weakness: CWE-287

Description

A Improper Authentication vulnerability in cryptctl of SUSE Linux Enterprise Server for SAP 12-SP5, SUSE Manager Server 4.0 allows attackers with access to the hashed password to use it without having to crack it. This issue affects: SUSE Linux Enterprise Server for SAP 12-SP5 cryptctl versions prior to 2.4. SUSE Manager Server 4.0 cryptctl versions prior to 2.4.

Affected products

SUSE cryptctl: before 2.4 — fixed in 2.4

How to fix

Upgrade to a fixed version: SUSE cryptctl 2.4. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2019-18906 or the next vulnerability affects your stack