How severe is CVE-2020-4347?

CVE-2020-4347 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-4347 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4347?

CVE-2020-4347 primarily affects Ibm Infosphere Information Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4347?

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-2020-4347 published?

CVE-2020-4347 was published on 2020-04-16 and last updated on 2026-06-17.

CVE-2020-4347

CVE-2020-4347 is a high-severity vulnerability in Ibm Infosphere Information Server with a CVSS 3.x base score of 7.3. 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-732.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Ibm Infosphere Information Server
Published: 2020-04-16
Last modified: 2026-06-17

Description

IBM InfoSphere Information Server 11.3, 11.5, and 11.7 could be subject to attacks based on privilege escalation due to inappropriate file permissions for files used by WebSphere Application Server Network Deployment. IBM X-Force ID: 178412.

Frequently asked questions

What is CVE-2020-4347?: IBM InfoSphere Information Server 11.3, 11.5, and 11.7 could be subject to attacks based on privilege escalation due to inappropriate file permissions for files used by WebSphere Application Server Network Deployment. IBM X-Force ID: 178412.
How severe is CVE-2020-4347?: CVE-2020-4347 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-4347 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4347?: CVE-2020-4347 primarily affects Ibm Infosphere Information Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4347?: 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-2020-4347 published?: CVE-2020-4347 was published on 2020-04-16 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:ibm:infosphere_information_server:11.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:infosphere_information_server:11.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:infosphere_information_server:11.7:*:*:*:*:*:*:*

More vulnerabilities in Ibm Infosphere Information Server

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CVE-2020-27583 — Critical (CVSS 9.8): IBM InfoSphere Information Server 8.5.0.0 is affected by deserialization of untrusted data which could allow remote…
CVE-2012-0204 — Critical (CVSS 9.3): Untrusted search path vulnerability in InfoSphere Import Export Manager 8.1 through 9.1 in InfoSphere Information…

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