CVE-2019-4340

Name: CVE-2019-4340
Creator: NVD / NIST
Published: 2019-08-20T20:15:13.683+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.2/10EPSS 2.43%

Last modified Jun 17, 2026

CVE-2019-4340 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. IBM Security Guardium Big Data Intelligence 4.0 (SonarG) is vulnerable to an 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 2.43% chance of exploitation in the next 30 days.

Description

IBM Security Guardium Big Data Intelligence 4.0 (SonarG) is vulnerable to an 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: 161419.

Metrics

CVSS 3.1

8.2/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L

EPSS Probability

2.43%

82.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Ibm	Security Guardium Big Data Intelligence	4.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/161419Broken Link, VDB Entry
https://www.ibm.com/support/docview.wss?uid=ibm10960856Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/161419Broken Link, VDB Entry
https://www.ibm.com/support/docview.wss?uid=ibm10960856Vendor Advisory

Timeline

Published: Aug 20, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-4340?

How severe is CVE-2019-4340?

CVE-2019-4340 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 2.43% probability of exploitation in the next 30 days.

How do I fix CVE-2019-4340?

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-2019-4340?

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

Scan your code now

Source: NVD / NIST