What is CVE-2020-4385?

CVE-2020-4385 is a critical-severity vulnerability in IBM Verify Gateway, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2020-07-22.

How severe is CVE-2020-4385?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in IBM Verify Gateway

CVE-2020-4385

IBM Verify Gateway (IVG) 1.0.0 and 1.0.1 contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. IBM X-Force ID: 179266.

Published 2020-07-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (68.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

IBM Verify Gateway — versions 1.0.0, 1.0.1
IBM Verify Gateway (Ivg) — versions 1.0.0, 1.0.1

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.ibm.com/support/pages/node/6251291 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/179266 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4385?: CVE-2020-4385 is a critical-severity vulnerability in IBM Verify Gateway, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2020-07-22.
How severe is CVE-2020-4385?: Critical severity. CVSS v3 base score is 9.8 out of 10.