How severe is CVE-2005-4756?

CVE-2005-4756 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2005-4756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-4756?

CVE-2005-4756 primarily affects Bea Weblogic Server. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-4756?

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-2005-4756 published?

CVE-2005-4756 was published on 2005-12-31 and last updated on 2026-06-16.

CVE-2005-4756

CVE-2005-4756 is a high-severity vulnerability in Bea Weblogic Server with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Bea Weblogic Server
Published: 2005-12-31
Last modified: 2026-06-16

Description

BEA WebLogic Server and WebLogic Express 8.1 SP4 and earlier, and 7.0 SP5 and earlier, do not properly validate derived Principals with multiple PrincipalValidators, which might allow attackers to gain privileges.

Frequently asked questions

What is CVE-2005-4756?: BEA WebLogic Server and WebLogic Express 8.1 SP4 and earlier, and 7.0 SP5 and earlier, do not properly validate derived Principals with multiple PrincipalValidators, which might allow attackers to gain privileges.
How severe is CVE-2005-4756?: CVE-2005-4756 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-4756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4756?: CVE-2005-4756 primarily affects Bea Weblogic Server. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-4756?: 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-2005-4756 published?: CVE-2005-4756 was published on 2005-12-31 and last updated on 2026-06-16.

References

Affected products (22)

cpe:2.3:a:bea:weblogic_server:7.0:*:*:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:7.0:*:express:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:7.0:sp1:*:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:7.0:sp1:express:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:7.0:sp2:*:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:7.0:sp2:express:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:7.0:sp3:*:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:7.0:sp3:express:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:7.0:sp4:*:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:7.0:sp4:express:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:7.0:sp5:*:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:7.0:sp5:express:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:8.1:*:*:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:8.1:*:express:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:8.1:sp1:*:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:8.1:sp1:express:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:8.1:sp2:*:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:8.1:sp2:express:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:8.1:sp3:*:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:8.1:sp3:express:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:8.1:sp4:*:*:*:*:*:*
cpe:2.3:a:bea:weblogic_server:8.1:sp4:express:*:*:*:*:*

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