How severe is CVE-2009-3862?

CVE-2009-3862 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-3862 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3862?

CVE-2009-3862 primarily affects Novell Edirectory. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3862?

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

When was CVE-2009-3862 published?

CVE-2009-3862 was published on 2009-11-04 and last updated on 2026-06-16.

CVE-2009-3862

CVE-2009-3862 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. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Novell Edirectory
Published: 2009-11-04
Last modified: 2026-06-16

Description

The NDSD process in Novell eDirectory 8.7.3 before 8.7.3.10 ftf2 and eDirectory 8.8 before 8.8.5 ftf1 does not properly handle certain LDAP search requests, which allows remote attackers to cause a denial of service (application hang) via a search request with a NULL BaseDN value.

Frequently asked questions

What is CVE-2009-3862?: The NDSD process in Novell eDirectory 8.7.3 before 8.7.3.10 ftf2 and eDirectory 8.8 before 8.8.5 ftf1 does not properly handle certain LDAP search requests, which allows remote attackers to cause a denial of service (application hang) via a search request with a NULL BaseDN value.
How severe is CVE-2009-3862?: CVE-2009-3862 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-3862 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3862?: CVE-2009-3862 primarily affects Novell Edirectory. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3862?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3862 published?: CVE-2009-3862 was published on 2009-11-04 and last updated on 2026-06-16.

References

Affected products (18)

cpe:2.3:a:novell:edirectory:8.7.3:*:*:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.7.3:sp2:windows:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.7.3:sp3:windows:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.7.3:sp4:windows:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.7.3:sp5:windows:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.7.3:sp6:windows:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.7.3:sp7:windows:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.7.3:sp8:windows:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.7.3:sp9:windows:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.7.3.8:*:*:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.7.3.9:*:*:*:*:*:*:*
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:*:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.8.1:*:*:*:*:*:*:*
cpe:2.3:a:novell:edirectory:8.8.2:*:*:*:*:*:*:*

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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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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