How severe is CVE-2019-4456?

CVE-2019-4456 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2019-4456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4456?

CVE-2019-4456 primarily affects Ibm Daeja Viewone. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-4456?

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-2019-4456 published?

CVE-2019-4456 was published on 2019-07-30 and last updated on 2026-06-17.

CVE-2019-4456

CVE-2019-4456 is a high-severity vulnerability in Ibm Daeja Viewone with a CVSS 3.x base score of 7.1. 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 7.1)
CVSS v2: 5.5
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Ibm Daeja Viewone
Published: 2019-07-30
Last modified: 2026-06-17

Description

IBM Daeja ViewONE Professional, Standard & Virtual 5.0.5 and 5.0.6 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: 163620.

Frequently asked questions

What is CVE-2019-4456?: IBM Daeja ViewONE Professional, Standard & Virtual 5.0.5 and 5.0.6 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: 163620.
How severe is CVE-2019-4456?: CVE-2019-4456 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2019-4456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4456?: CVE-2019-4456 primarily affects Ibm Daeja Viewone. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-4456?: 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-2019-4456 published?: CVE-2019-4456 was published on 2019-07-30 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:ibm:daeja_viewone:*:*:*:*:professional:*:*:*
cpe:2.3:a:ibm:daeja_viewone:*:*:*:*:standard:*:*:*
cpe:2.3:a:ibm:daeja_viewone:*:*:*:*:virtual:*:*:*

More vulnerabilities in Ibm Daeja Viewone

CVE-2017-1210 — High (CVSS 7.5): IBM Daeja ViewONE Professional, Standard & Virtual 4.1.5.1 and 5.0.2 could allow an unauthenticated attacker to inject…
CVE-2018-1835 — High (CVSS 7.1): IBM Daeja ViewONE Professional, Standard & Virtual 5 is vulnerable to a XML External Entity Injection (XXE) attack when…
CVE-2017-1212 — Medium (CVSS 6.5): IBM Daeja ViewONE Professional, Standard & Virtual 4.1.5.1 and 5.0.2 is vulnerable to a denial of service when viewing…
CVE-2017-1308 — Medium (CVSS 6.5): IBM Daeja ViewONE Professional, Standard & Virtual 4.1.5.1 and 5.0 could allow an authenticated attacker to download…
CVE-2018-1399 — Medium (CVSS 5.4): IBM Daeja ViewONE Professional, Standard & Virtual 4.1.5 and 5.0 is vulnerable to cross-site scripting. This…
CVE-2017-1209 — Medium (CVSS 5.4): IBM Daeja ViewONE Professional, Standard & Virtual 4.1.5.1 and 5.0.2 is vulnerable to cross-site scripting. This…

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

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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…

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