How severe is CVE-2009-2456?

CVE-2009-2456 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-2456 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2456?

CVE-2009-2456 primarily affects Novell Edirectory. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2456?

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

When was CVE-2009-2456 published?

CVE-2009-2456 was published on 2009-07-14 and last updated on 2026-06-16.

CVE-2009-2456

CVE-2009-2456 is a medium-severity vulnerability in Novell Edirectory 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.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Novell Edirectory
Published: 2009-07-14
Last modified: 2026-06-16

Description

The DS\NDSD component in Novell eDirectory 8.8 before SP5 allows remote attackers to cause a denial of service (ndsd core dump) via an LDAP request containing multiple . (dot) wildcard characters in the Relative Distinguished Name (RDN).

Frequently asked questions

What is CVE-2009-2456?: The DS\NDSD component in Novell eDirectory 8.8 before SP5 allows remote attackers to cause a denial of service (ndsd core dump) via an LDAP request containing multiple . (dot) wildcard characters in the Relative Distinguished Name (RDN).
How severe is CVE-2009-2456?: CVE-2009-2456 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-2456 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2456?: CVE-2009-2456 primarily affects Novell Edirectory. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2456?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2456 published?: CVE-2009-2456 was published on 2009-07-14 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:novell:edirectory:8.8:*:*:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.8:sp1:*:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.8:sp2:*:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.8:sp3:*:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.8:sp4:*:*:*:*:*:*

More vulnerabilities in Novell Edirectory

CVE-2009-0895 — Critical (CVSS 10.0): Integer overflow in Novell eDirectory 8.7.3.x before 8.7.3.10 ftf2 and 8.8.x before 8.8.5.2 allows remote attackers to…
CVE-2008-5094 — Critical (CVSS 10.0): Heap-based buffer overflow in the NDS Service in Novell eDirectory before 8.8 SP3 has unknown impact and attack vectors.
CVE-2008-5092 — Critical (CVSS 10.0): Heap-based buffer overflows in Novell eDirectory HTTP protocol stack (HTTPSTK) before 8.8 SP3 have unknown impact and…
CVE-2008-5091 — Critical (CVSS 10.0): Buffer overflow in the LDAP Service in Novell eDirectory 8.7.3 before SP10a and 8.8 before SP3 allows attackers to…
CVE-2008-4480 — Critical (CVSS 10.0): Heap-based buffer overflow in dhost.exe in Novell eDirectory 8.x before 8.8.3, and 8.7.3 before 8.7.3.10 ftf1, allows…
CVE-2008-4479 — Critical (CVSS 10.0): Heap-based buffer overflow in dhost.exe in Novell eDirectory 8.8 before 8.8.3, and 8.7.3 before 8.7.3.10 ftf1, allows…

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