CVE-1999-0385

CRITICAL

The LDAP bind function in Exchange 5.5 has a buffer overflow that allows a remote attacker to conduct a denial of service or execute commands.

Affects 1 product across 1 vendor.

BCS7.85
CVSS 2.010.0
EPSS18.2%
Percentile97th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
CWE Weakness Definitions
CWE-120: Buffer Copy without Checking Size (Classic Buffer Overflow)

Program copies data to a buffer without verifying the source data fits within the destination.

Related Attack Patterns (CAPEC)
CAPEC-8 Buffer Overflow in an API Call
via CWE-120
CAPEC-9 Buffer Overflow in Local Command-Line Utilities
via CWE-120
CAPEC-10 Buffer Overflow via Environment Variables
via CWE-120
CAPEC-14 Client-side Injection-induced Buffer Overflow
via CWE-120
CAPEC-24 Filter Failure through Buffer Overflow
via CWE-120
Show all 13

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 1998. A critical vulnerability affects Microsoft systems (CVE-1999-0385). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-1998-GLOBAL-350475-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-1999-0385?
This vulnerability was disclosed in 1998. A critical vulnerability affects Microsoft systems (CVE-1999-0385). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-1999-0385?
CVE-1999-0385 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 18.2%.
Is CVE-1999-0385 actively exploited?
No confirmed active exploitation of CVE-1999-0385 as of 2026-06-20.
How do I remediate CVE-1999-0385?
Priority: MEDIUM. Advisory: https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-009 PSIRT: [email protected]
What systems are affected by CVE-1999-0385?
CVE-1999-0385 affects: Microsoft.
Vulnerability Details
CVE IDCVE-1999-0385
BSIDBS-1998-GLOBAL-350475-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published1998-12-01
Last Modified2026-06-16
ICS Relevance15%
Weakness (CWE)
Buffer Copy without Checking Size (Classic Buffer Overflow)
SourceNVD
Official Description

The LDAP bind function in Exchange 5.5 has a buffer overflow that allows a remote attacker to conduct a denial of service or execute commands.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: The LDAP bind function in Exchange 5.5 has a buffer overflow that allows a remote attacker to conduct a denial of service or execute commands. CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Microsoft Exchange Server —
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: August 2026 | Threat Age: 10105 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashc1851c950b7362487af74267fb0ec590f61993012d2dc6bc6a3e0cf8424cd43e3a7bb46da9ba81c3ba22d2356557a0d263b669a3f2ec4bebc4519c43df629f58
Related CVEs affecting Microsoft
CVE-1999-0535 10.0 A Windows NT account policy for passwords has inappropriate, security-critica... CVE-1999-0570 10.0 Windows NT is not using a password filter utility, e.g. PASSFILT.DLL. CVE-1999-1011 10.0 The Remote Data Service (RDS) DataFactory component of Microsoft Data Access ... CVE-1999-1241 10.0 Internet Explorer, with a security setting below Medium, allows remote attack... CVE-2000-0222 10.0 The installation for Windows 2000 does not activate the Administrator passwor...
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