How severe is CVE-2015-5039?

CVE-2015-5039 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2015-5039 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5039?

CVE-2015-5039 affects Ibm Rational Clearcase. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-5039?

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-2015-5039 published?

CVE-2015-5039 was published on 2018-03-26 and last updated on 2026-06-17.

CVE-2015-5039

CVE-2015-5039 is a high-severity vulnerability in Ibm Rational Clearcase with a CVSS 3.x base score of 7.4. 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-310.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 5.8
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Ibm Rational Clearcase
Published: 2018-03-26
Last modified: 2026-06-17

Description

The Remote Client and change management integrations in IBM Rational ClearCase 7.1.x, 8.0.0.x before 8.0.0.18, and 8.0.1.x before 8.0.1.11 do not properly validate hostnames in X.509 certificates from SSL servers, which allows remote attackers to spoof servers and obtain sensitive information or modify network traffic via a crafted certificate. IBM X-Force ID: 106715.

Frequently asked questions

What is CVE-2015-5039?: The Remote Client and change management integrations in IBM Rational ClearCase 7.1.x, 8.0.0.x before 8.0.0.18, and 8.0.1.x before 8.0.1.11 do not properly validate hostnames in X.509 certificates from SSL servers, which allows remote attackers to spoof servers and obtain sensitive information or modify network traffic via a crafted certificate. IBM X-Force ID: 106715.
How severe is CVE-2015-5039?: CVE-2015-5039 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2015-5039 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5039?: CVE-2015-5039 affects Ibm Rational Clearcase. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-5039?: 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-2015-5039 published?: CVE-2015-5039 was published on 2018-03-26 and last updated on 2026-06-17.

References

Affected products (1)

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

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