How severe is CVE-2019-4340?

CVE-2019-4340 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2019-4340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4340?

CVE-2019-4340 affects Ibm Security Guardium Big Data Intelligence. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-4340?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-4340 published?

CVE-2019-4340 was published on 2019-08-20 and last updated on 2026-06-17.

CVE-2019-4340

CVE-2019-4340 is a high-severity vulnerability in Ibm Security Guardium Big Data Intelligence with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-611.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v2: 6.4
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Ibm Security Guardium Big Data Intelligence
Published: 2019-08-20
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2019-4340?: 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.
How severe is CVE-2019-4340?: CVE-2019-4340 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2019-4340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4340?: CVE-2019-4340 affects Ibm Security Guardium Big Data Intelligence. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-4340?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-4340 published?: CVE-2019-4340 was published on 2019-08-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:security_guardium_big_data_intelligence:4.0:*:*:*:*:*:*:*

More vulnerabilities in Ibm Security Guardium Big Data Intelligence

CVE-2018-1372 — Critical (CVSS 9.8): IBM Security Guardium Big Data Intelligence (SonarG) 3.1 does not require that users should have strong passwords by…
CVE-2018-1377 — High (CVSS 7.8): IBM Security Guardium Big Data Intelligence (SonarG) 3.1 stores user credentials in plain in clear text which can be…
CVE-2020-4254 — High (CVSS 7.5): IBM Security Guardium Big Data Intelligence 1.0 (SonarG) uses weaker than expected cryptographic algorithms that could…
CVE-2019-4339 — High (CVSS 7.5): IBM Security Guardium Big Data Intelligence (SonarG) 4.0 uses weaker than expected cryptographic algorithms that could…
CVE-2019-4314 — High (CVSS 7.5): IBM Security Guardium Big Data Intelligence (SonarG) 4.0 stores sensitive information in cleartext within a resource…
CVE-2019-4338 — High (CVSS 7.5): IBM Security Guardium Big Data Intelligence 4.0 (SonarG) does not properly restrict the size or amount of resources…

All CVEs affecting Ibm Security Guardium Big Data Intelligence →

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

CVE-2022-22486 — Critical (CVSS 10.0): IBM Tivoli Workload Scheduler 9.4, 9.5, and 10.1 is vulnerable to an XML External Entity Injection (XXE) attack when…
CVE-2019-14678 — Critical (CVSS 10.0): SAS XML Mapper 9.45 has an XML External Entity (XXE) vulnerability that can be leveraged by malicious attackers in…
CVE-2015-9280 — Critical (CVSS 10.0): MailEnable before 8.60 allows XXE via an XML document in the request.aspx Options parameter.
CVE-2018-1000838 — Critical (CVSS 10.0): autopsy version <= 4.9.0 contains a XML External Entity (XXE) vulnerability in CaseMetadata XML Parser that can result…
CVE-2018-1000837 — Critical (CVSS 10.0): UML Designer version <= 8.0.0 contains a XML External Entity (XXE) vulnerability in XML parser for plugins that can…
CVE-2018-1000835 — Critical (CVSS 10.0): KeePassDX version <= 2.5.0.0beta17 contains a XML External Entity (XXE) vulnerability in kdbx file parser that can…

Browse all CWE-611 (Improper Restriction of XML External Entity Reference (XXE)) vulnerabilities →