What is CVE-2017-1383?

CVE-2017-1383 is a critical-severity vulnerability in IBM Infosphere Information Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2017-08-02.

How severe is CVE-2017-1383?

Critical severity. CVSS v3 base score is 9.1 out of 10.

XXE in IBM Infosphere Information Server

CVE-2017-1383

IBM InfoSphere Information Server 9.1, 11.3, and 11.5 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 127155.

Vulnerability class: XXE (XML External Entity)

Published 2017-08-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.027 (85.8th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000

Affected products

IBM Infosphere Information Server — versions 11.3, 9.1, 11.5
IBM Infosphere Information Server — versions 9.1, 11.3, 11.5
IBM Softlayer

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

www.ibm.com/support/docview.wss (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/127155 (VDB Entry, Vendor Advisory)

Frequently asked questions

What is CVE-2017-1383?: CVE-2017-1383 is a critical-severity vulnerability in IBM Infosphere Information Server, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2017-08-02.
How severe is CVE-2017-1383?: Critical severity. CVSS v3 base score is 9.1 out of 10.