How severe is CVE-2019-4063?

CVE-2019-4063 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-4063 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4063?

CVE-2019-4063 affects Ibm Sterling B2b Integrator. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-4063?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-4063 published?

CVE-2019-4063 was published on 2019-03-05 and last updated on 2026-06-17.

CVE-2019-4063

CVE-2019-4063 is a medium-severity vulnerability in Ibm Sterling B2b Integrator with a CVSS 3.x base score of 5.9. 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-319.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Ibm Sterling B2b Integrator
Published: 2019-03-05
Last modified: 2026-06-17

Description

IBM Sterling B2B Integrator 5.2.0.1 through 6.0.0.0 Standard Edition could allow highly sensitive information to be transmitted in plain text. An attacker could obtain this information using man in the middle techniques. IBM X-ForceID: 157008.

Frequently asked questions

What is CVE-2019-4063?: IBM Sterling B2B Integrator 5.2.0.1 through 6.0.0.0 Standard Edition could allow highly sensitive information to be transmitted in plain text. An attacker could obtain this information using man in the middle techniques. IBM X-ForceID: 157008.
How severe is CVE-2019-4063?: CVE-2019-4063 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-4063 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4063?: CVE-2019-4063 affects Ibm Sterling B2b Integrator. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-4063?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-4063 published?: CVE-2019-4063 was published on 2019-03-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:sterling_b2b_integrator:*:*:*:*:*:*:*:*

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