Auth bypass in IBM API Connect

CVE-2018-1638

IBM API Connect 5.0.0.0-5.0.8.3 Developer Portal does not enforce Two Factor Authentication (TFA) while resetting a user password but enforces it for all other login scenarios. IBM X-Force ID: 144483.

Vulnerability class: Broken Authentication

EPSS: 0.018 (76.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-1638?
CVE-2018-1638 is a medium-severity vulnerability in IBM API Connect, classified under Improper Authentication. CVSS score: 5.9/10. Published 2018-07-31.
How severe is CVE-2018-1638?
Medium severity. CVSS v3 base score is 5.9 out of 10.