How severe is CVE-2001-1306?

CVE-2001-1306 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-1306 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-2001-1306?

CVE-2001-1306 affects Sun Iplanet Directory Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-1306?

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-2001-1306 published?

CVE-2001-1306 was published on 2001-07-16 and last updated on 2026-06-16.

CVE-2001-1306

CVE-2001-1306 is a high-severity vulnerability in Sun Iplanet Directory 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: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sun Iplanet Directory Server
Published: 2001-07-16
Last modified: 2026-06-16

Description

iPlanet Directory Server 4.1.4 and earlier (LDAP) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via invalid BER length of length fields, as demonstrated by the PROTOS LDAPv3 test suite.

Frequently asked questions

What is CVE-2001-1306?: iPlanet Directory Server 4.1.4 and earlier (LDAP) allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via invalid BER length of length fields, as demonstrated by the PROTOS LDAPv3 test suite.
How severe is CVE-2001-1306?: CVE-2001-1306 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-1306 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-2001-1306?: CVE-2001-1306 affects Sun Iplanet Directory Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-1306?: 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-2001-1306 published?: CVE-2001-1306 was published on 2001-07-16 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:sun:iplanet_directory_server:*:*:*:*:*:*:*:*

More vulnerabilities in Sun Iplanet Directory Server

CVE-2001-1307 — High (CVSS 7.5): Buffer overflows in iPlanet Directory Server 4.1.4 and earlier (LDAP) allow remote attackers to cause a denial of…
CVE-2001-1308 — High (CVSS 7.5): Format string vulnerabilities in iPlanet Directory Server 4.1.4 and earlier (LDAP) allow remote attackers to cause a…
CVE-2003-0676 — Medium (CVSS 5.0): Directory traversal vulnerability in ViewLog for iPlanet Administration Server 5.1 (aka Sun ONE) allows remote…

All CVEs affecting Sun Iplanet Directory Server →