What is CVE-2012-4863?

CVE-2012-4863 is a medium-severity vulnerability in IBM Websphere Mq, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2020-01-23.

How severe is CVE-2012-4863?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in IBM Websphere Mq

CVE-2012-4863

IBM WebSphere MQ 7.1 and 7.5: Queue manager has a DoS vulnerability

Vulnerability class: DoS (Denial of Service)

Published 2020-01-23 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.1% 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 Websphere Mq — versions 7.5 without Fix Pack 7.5.0.1, 7.1 without Fix Pack 7.1.0.2
IBM Websphere Mq

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

exchange.xforce.ibmcloud.com/vulnerabilities/79920 (VDB Entry, Vendor Advisory)
www.tenable.com/plugins/nessus/63099 (Third Party Advisory)

Frequently asked questions

What is CVE-2012-4863?: CVE-2012-4863 is a medium-severity vulnerability in IBM Websphere Mq, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2020-01-23.
How severe is CVE-2012-4863?: Medium severity. CVSS v3 base score is 6.5 out of 10.