What is CVE-2017-1555?

CVE-2017-1555 is a medium-severity vulnerability in IBM API Connect, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2017-09-25.

How severe is CVE-2017-1555?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Improper input validation in IBM API Connect

CVE-2017-1555

IBM API Connect 5.0.0.0 through 5.0.7.2 could allow an authenticated user to generate an API token when not subscribed to the application plan. IBM X-Force ID: 131545.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2017-09-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

IBM API Connect — versions 5.0.3.0, 5.0.5.0, 5.0.6.0
IBM API Connect — versions 5.0.0.0, 5.0.0.1, 5.0.1.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

exchange.xforce.ibmcloud.com/vulnerabilities/131545 (VDB Entry, Vendor Advisory)
www.ibm.com/support/docview.wss (Patch, Vendor Advisory)
www.securityfocus.com/bid/100973 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-1555?: CVE-2017-1555 is a medium-severity vulnerability in IBM API Connect, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2017-09-25.
How severe is CVE-2017-1555?: Medium severity. CVSS v3 base score is 4.3 out of 10.