How severe is CVE-2009-4357?

CVE-2009-4357 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-4357 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4357?

CVE-2009-4357 primarily affects Ibm Rational Clearcase. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4357?

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

When was CVE-2009-4357 published?

CVE-2009-4357 was published on 2009-12-18 and last updated on 2026-06-16.

CVE-2009-4357

CVE-2009-4357 is a medium-severity vulnerability in Ibm Rational Clearcase with a CVSS 2.0 base score of 5.0. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Ibm Rational Clearcase
Published: 2009-12-18
Last modified: 2026-06-16

Description

CQWeb (aka the web interface) in IBM Rational ClearQuest before 7.1.1 does not properly handle use of legacy URLs for automatic login, which might allow attackers to discover the passwords for user accounts via unspecified vectors.

Frequently asked questions

What is CVE-2009-4357?: CQWeb (aka the web interface) in IBM Rational ClearQuest before 7.1.1 does not properly handle use of legacy URLs for automatic login, which might allow attackers to discover the passwords for user accounts via unspecified vectors.
How severe is CVE-2009-4357?: CVE-2009-4357 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-4357 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4357?: CVE-2009-4357 primarily affects Ibm Rational Clearcase. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4357?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4357 published?: CVE-2009-4357 was published on 2009-12-18 and last updated on 2026-06-16.

References

Affected products (24)

cpe:2.3:a:ibm:rational_clearcase:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.0.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.0.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearcase:7.0.1.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:5.00:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:5.20:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:6.00:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:6.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:6.12:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:6.13:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:6.14:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:6.15:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:6.16:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:7.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:7.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:7.0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:7.0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:7.0.1.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:2007:*:*:*:*:*:*:*
cpe:2.3:a:ibm:rational_clearquest:2008:*:*:*:*:*:*:*

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