What is CVE-2020-4282?

CVE-2020-4282 is a medium-severity vulnerability in IBM Security Information Queue, classified under Improper Encoding or Escaping of Output. CVSS score: 4.3/10. Published 2020-04-08.

How severe is CVE-2020-4282?

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

Vulnerability in IBM Security Information Queue

CVE-2020-4282

IBM Security Information Queue (ISIQ) 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, and 1.0.5 could allow an authenticated user to perform unauthorized actions by bypassing illegal character restrictions. X-Force ID: 176205.

Published 2020-04-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

IBM Security Information Queue — versions 1.0.0, 1.0.1, 1.0.2
IBM Security Information Queue — versions 1.0.0, 1.0.1, 1.0.2

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

References

www.ibm.com/support/pages/node/6172587 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/176205 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4282?: CVE-2020-4282 is a medium-severity vulnerability in IBM Security Information Queue, classified under Improper Encoding or Escaping of Output. CVSS score: 4.3/10. Published 2020-04-08.
How severe is CVE-2020-4282?: Medium severity. CVSS v3 base score is 4.3 out of 10.