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.

Published: 2001-07-16 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-1306 is rated Moderate Risk (60.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.07%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2001-1306

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 4.61% 4.07% -0.54%
2 2025-11-23 8.06% 4.61% -3.45%
3 2025-07-21 — 8.06% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-1306

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2001-1306

Affected software / configurations for CVE-2001-1306

Vendor Product Version Raw CPE
sun iplanet_directory_server <= 4.1.4 cpe:2.3:a:sun:iplanet_directory_server:*:*:*:*:*:*:*:*

References for CVE-2001-1306

cvelogic Threat Intelligence