What is CVE-2015-4956?

CVE-2015-4956 is a high-severity vulnerability in IBM Qradar Security Information And Event Manager, classified under OS Command Injection. CVSS score: 7.4/10. Published 2016-02-15.

How severe is CVE-2015-4956?

High severity. CVSS v3 base score is 7.4 out of 10.

RCE in IBM Qradar Security Information And Event Manager

CVE-2015-4956

The Web UI in IBM Security QRadar SIEM 7.1.x before 7.1 MR2 Patch 12 allows remote authenticated users to execute unspecified OS commands via unknown vectors.

Vulnerability class: Command Injection (OS Command Injection)

Published 2016-02-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.009 (56.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

IBM Qradar Security Information And Event Manager — versions 7.1.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

www-01.ibm.com/support/docview.wss (Vendor Advisory)

Frequently asked questions

What is CVE-2015-4956?: CVE-2015-4956 is a high-severity vulnerability in IBM Qradar Security Information And Event Manager, classified under OS Command Injection. CVSS score: 7.4/10. Published 2016-02-15.
How severe is CVE-2015-4956?: High severity. CVSS v3 base score is 7.4 out of 10.