What is CVE-2018-1532?

CVE-2018-1532 is a medium-severity vulnerability in IBM API Connect, classified under Information Disclosure. CVSS score: 4.3/10. Published 2018-05-31.

How severe is CVE-2018-1532?

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

Information disclosure in IBM API Connect

CVE-2018-1532

IBM API Connect 5.0.0.0 through 5.0.8.2 does not properly update the SESSIONID with each request, which could allow a user to obtain the ID in further attacks against the system. IBM X-Force ID: 142430.

Vulnerability class: Information Disclosure

Published 2018-05-31 · 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:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.3th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

IBM API Connect — versions 5.0.8.1, 5.0.3.0, 5.0.5.0
IBM API Connect

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

exchange.xforce.ibmcloud.com/vulnerabilities/142430 (VDB Entry, vdb-entry, Vendor Advisory)
www.ibm.com/support/docview.wss (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1532?: CVE-2018-1532 is a medium-severity vulnerability in IBM API Connect, classified under Information Disclosure. CVSS score: 4.3/10. Published 2018-05-31.
How severe is CVE-2018-1532?: Medium severity. CVSS v3 base score is 4.3 out of 10.