How severe is CVE-2019-4059?

CVE-2019-4059 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-4059 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4059?

CVE-2019-4059 affects Ibm Rational Clearcase. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-4059?

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

When was CVE-2019-4059 published?

CVE-2019-4059 was published on 2019-02-15 and last updated on 2026-06-17.

CVE-2019-4059

CVE-2019-4059 is a critical-severity vulnerability in Ibm Rational Clearcase with a CVSS 3.x base score of 9.8. 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-522.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Ibm Rational Clearcase
Published: 2019-02-15
Last modified: 2026-06-17

Description

IBM Rational ClearCase 1.0.0.0 GIT connector does not sufficiently protect the document database password. An attacker could obtain the password and gain unauthorized access to the document database. IBM X-Force ID: 156583.

Frequently asked questions

What is CVE-2019-4059?: IBM Rational ClearCase 1.0.0.0 GIT connector does not sufficiently protect the document database password. An attacker could obtain the password and gain unauthorized access to the document database. IBM X-Force ID: 156583.
How severe is CVE-2019-4059?: CVE-2019-4059 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-4059 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4059?: CVE-2019-4059 affects Ibm Rational Clearcase. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-4059?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-4059 published?: CVE-2019-4059 was published on 2019-02-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:rational_clearcase:*:*:*:*:*:*:*:*

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