CVE-2018-1421

Name: CVE-2018-1421
Creator: NVD / NIST
Published: 2018-04-04T18:29:02.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.39%

Last modified Jun 17, 2026

CVE-2018-1421 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.39% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

1.39%

68.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Ibm	Datapower Gateway	>= 7.1.0.0, <= 7.1.0.21
Ibm	Datapower Gateway	>= 7.2.0.0, <= 7.2.0.18
Ibm	Datapower Gateway	>= 7.5.0.0, <= 7.5.0.13
Ibm	Datapower Gateway	>= 7.5.1.0, <= 7.5.1.12
Ibm	Datapower Gateway	>= 7.5.2.0, <= 7.5.2.12
Ibm	Datapower Gateway	>= 7.6.0.0, <= 7.6.0.5

References

http://www.ibm.com/support/docview.wss?uid=swg22015055Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/139023VDB Entry, Vendor Advisory
http://www.ibm.com/support/docview.wss?uid=swg22015055Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/139023VDB Entry, Vendor Advisory

Timeline

Published: Apr 4, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1421?

How severe is CVE-2018-1421?

Severity scoring for CVE-2018-1421 is pending analysis. The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1421?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1421?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST