What is CVE-2019-4427?

CVE-2019-4427 is a high-severity vulnerability in IBM Cloud Cli, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2020-02-12.

How severe is CVE-2019-4427?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in IBM Cloud Cli

CVE-2019-4427

IBM Cloud CLI 0.6.0 through 0.16.1 windows installers are signed using SHA1 certificate. An attacker might be able to exploit the weak algorithm to generate a installer with malicious software inside. IBM X-Force ID: 162773.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2020-02-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

IBM Cloud Cli — versions 0.6.0, 0.16.1
IBM Cloud Cli
Microsoft Windows

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

www.ibm.com/support/pages/node/1356087 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/162773 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2019-4427?: CVE-2019-4427 is a high-severity vulnerability in IBM Cloud Cli, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2020-02-12.
How severe is CVE-2019-4427?: High severity. CVSS v3 base score is 7.5 out of 10.