What is CVE-2020-4270?

CVE-2020-4270 is a high-severity vulnerability in IBM Qradar, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2020-04-15.

How severe is CVE-2020-4270?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in IBM Qradar

CVE-2020-4270

IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow a local user to gain escalated privileges due to weak file permissions. IBM X-ForceID: 175846.

Published 2020-04-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.1th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.1% 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 Qradar — versions 7.3.3.Patch2, 7.3.0
IBM Qradar Security Information And Event Manager — versions 7.3.3
Linux Kernel

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

www.ibm.com/support/pages/node/6189657 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/175846 (VDB Entry, vdb-entry, Vendor Advisory)
seclists.org/fulldisclosure/2020/Apr/38 (mailing-list, Exploit, Mailing List, Third Party Advisory)
packetstormsecurity.com/files/157335/QRadar-Community-Edition-7.3.1.6-Insecure-… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2020-4270?: CVE-2020-4270 is a high-severity vulnerability in IBM Qradar, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2020-04-15.
How severe is CVE-2020-4270?: High severity. CVSS v3 base score is 7.8 out of 10.