How severe is CVE-2014-6221?

CVE-2014-6221 has a CVSS 2.0 base score of 9.4, rated critical severity.

Is CVE-2014-6221 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-6221?

CVE-2014-6221 primarily affects Ibm Rational Clearcase. In total, 37 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-6221?

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-2014-6221 published?

CVE-2014-6221 was published on 2015-04-06 and last updated on 2026-06-17.

CVE-2014-6221

CVE-2014-6221 is a critical-severity vulnerability in Ibm Rational Clearcase with a CVSS 2.0 base score of 9.4. 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: Critical (CVSS 2.0 base score 9.4)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Ibm Rational Clearcase
Published: 2015-04-06
Last modified: 2026-06-17

Description

The MSCAPI/MSCNG interface implementation in GSKit in IBM Rational ClearCase 7.1.2.x before 7.1.2.17, 8.0.0.x before 8.0.0.14, and 8.0.1.x before 8.0.1.7 does not properly generate random numbers, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via unspecified vectors.

Frequently asked questions

What is CVE-2014-6221?: The MSCAPI/MSCNG interface implementation in GSKit in IBM Rational ClearCase 7.1.2.x before 7.1.2.17, 8.0.0.x before 8.0.0.14, and 8.0.1.x before 8.0.1.7 does not properly generate random numbers, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via unspecified vectors.
How severe is CVE-2014-6221?: CVE-2014-6221 has a CVSS 2.0 base score of 9.4, rated critical severity.
Is CVE-2014-6221 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-6221?: CVE-2014-6221 primarily affects Ibm Rational Clearcase. In total, 37 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-6221?: 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-2014-6221 published?: CVE-2014-6221 was published on 2015-04-06 and last updated on 2026-06-17.

References

Affected products (37)

cpe:2.3:a:ibm:rational_clearcase:7.1.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.12:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.13:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.14:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.15:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.1.2.16:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.8:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.11:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.12:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.0.13:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.1.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.1.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.1.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.1.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:8.0.1.6:*:*:*:*:*:*:*

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