How severe is CVE-2006-4177?

CVE-2006-4177 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-4177 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4177?

CVE-2006-4177 primarily affects Novell Edirectory. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-4177?

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-2006-4177 published?

CVE-2006-4177 was published on 2006-10-24 and last updated on 2026-06-16.

CVE-2006-4177

CVE-2006-4177 is a high-severity vulnerability in Novell Edirectory 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: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Novell Edirectory
Published: 2006-10-24
Last modified: 2026-06-16

Description

Heap-based buffer overflow in the NCP engine in Novell eDirectory before 8.8.1 FTF1 allows remote attackers to execute arbitrary code via a crafted NCP over IP packet that causes NCP to read more data than intended.

Frequently asked questions

What is CVE-2006-4177?: Heap-based buffer overflow in the NCP engine in Novell eDirectory before 8.8.1 FTF1 allows remote attackers to execute arbitrary code via a crafted NCP over IP packet that causes NCP to read more data than intended.
How severe is CVE-2006-4177?: CVE-2006-4177 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-4177 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4177?: CVE-2006-4177 primarily affects Novell Edirectory. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4177?: 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-2006-4177 published?: CVE-2006-4177 was published on 2006-10-24 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:novell:edirectory:*:*:*:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.8:*:*:*:*:*:*:*

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