What is CVE-2018-1843?

CVE-2018-1843 is a medium-severity vulnerability in IBM Cloud Private, classified under Information Disclosure. CVSS score: 4.1/10. Published 2018-11-21.

How severe is CVE-2018-1843?

Medium severity. CVSS v3 base score is 4.1 out of 10.

Information disclosure in IBM Cloud Private

CVE-2018-1843

The Identity and Access Management (IAM) services (IBM Cloud Private 3.1.0) do not use a secure channel, such as SSL, to exchange information only when accessed internally from within the cluster. It could be possible for an attacker with access to network traffic to sniff packets from the connection and uncover data. IBM X-Force ID: 150903

Vulnerability class: Information Disclosure

Published 2018-11-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (22.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

IBM Cloud Private — versions 3.1.0
IBM Cloud Private — versions 3.1.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.ibm.com/support/docview.wss (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/150903 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2018-1843?: CVE-2018-1843 is a medium-severity vulnerability in IBM Cloud Private, classified under Information Disclosure. CVSS score: 4.1/10. Published 2018-11-21.
How severe is CVE-2018-1843?: Medium severity. CVSS v3 base score is 4.1 out of 10.