IBM WebSphere DataPower Appliances 7.1, 7.2, 7.5, 7.5.1, 7.5.2, and 7.6 is vulnerable to a XML External Entity Injection (XXE) attack when…

published 2018-04-04 8y ago modified 2026-06-17 4mo ago also EUVD-2018-12000

cvss: 7.1; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits: 0; none known

IBM WebSphere DataPower Appliances 7.1, 7.2, 7.5, 7.5.1, 7.5.2, and 7.6 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: 139023.

Patch / fix

links 1

ibm.com/support/docview.wss?uid=swg22015055 advisory

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Exploit prediction

1.37% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	7.1	CVSS:3.0/A:L/AC:L/AV:N/C:H/I:N/PR:L/S:U/UI:N
CNA	3.0	7.1	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
NVD	3.0	7.1	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
NVD	2.0	5.5	AV:N/AC:L/Au:S/C:P/I:N/A:P

Affected products

IBM DataPower Gateways

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference

References

ibm.com /support/docview.wss?uid=swg22015055
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/139023
vdb-entry, vendor-advisory

Sources

CVE List CVE-2018-1421
NVD CVE-2018-1421

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