CVE-2011-1206

CRITICAL ⚠ Exploit

Stack-based buffer overflow in the server process in ibmslapd.exe in IBM Tivoli Directory Server (TDS) 5.2 before 5.2.0.5-TIV-ITDS-IF0010, 6.0 before 6.0.0.67 (aka 6.0.0.8-TIV-ITDS-IF0009), 6.1 bef...

Affects 1 product across 1 vendor.

CVSS 2.010.0
EPSS15.7%
Percentile97th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
CWE Weakness Definitions
CWE-119: Improper Restriction of Operations within Memory Buffer

Parent class for buffer-related vulnerabilities where operations exceed buffer boundaries.

Related Attack Patterns (CAPEC)
CAPEC-8 Buffer Overflow in an API Call
via CWE-119
CAPEC-9 Buffer Overflow in Local Command-Line Utilities
via CWE-119
CAPEC-10 Buffer Overflow via Environment Variables
via CWE-119
CAPEC-14 Client-side Injection-induced Buffer Overflow
via CWE-119
CAPEC-24 Filter Failure through Buffer Overflow
via CWE-119
Show all 12

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

◆ AI Analysis — automated analysis, not human-reviewed

A stack-based buffer overflow vulnerability exists in the server process of ibmslapd.exe in IBM Tivoli Directory Server (TDS) versions prior to 5.2.0.5, 6.0.0.67, 6.1.0.40, 6.2.0.16, and 6.3.0.3. This vulnerability allows remote attackers to execute arbitrary code.

BSID: BS-2011-GLOBAL-170235-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →
Frequently Asked Questions
What is CVE-2011-1206?
A stack-based buffer overflow vulnerability exists in the server process of ibmslapd.exe in IBM Tivoli Directory Server (TDS) versions prior to 5.2.0.5, 6.0.0.67, 6.1.0.40, 6.2.0.16, and 6.3.0.3. This vulnerability allows remote attackers to execute arbitrary code.
What is the CVSS score for CVE-2011-1206?
CVE-2011-1206 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 15.7%.
Is CVE-2011-1206 actively exploited?
Public exploit available for CVE-2011-1206. Exploitation risk elevated.
How do I remediate CVE-2011-1206?
Priority: IMMEDIATE. PSIRT: [email protected]
What systems are affected by CVE-2011-1206?
CVE-2011-1206 affects Ibm Tivoli Directory Server.
Vulnerability Details
CVE IDCVE-2011-1206
BSIDBS-2011-GLOBAL-170235-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2011-04-21
Last Modified2026-06-16
ICS Relevance15%
Weakness (CWE)
Improper Restriction of Operations within Memory Buffer
SourceNVD
Official Description

Stack-based buffer overflow in the server process in ibmslapd.exe in IBM Tivoli Directory Server (TDS) 5.2 before 5.2.0.5-TIV-ITDS-IF0010, 6.0 before 6.0.0.67 (aka 6.0.0.8-TIV-ITDS-IF0009), 6.1 before 6.1.0.40 (aka 6.1.0.5-TIV-ITDS-IF0003), 6.2 before 6.2.0.16 (aka 6.2.0.3-TIV-ITDS-IF0002), and 6.3 before 6.3.0.3 (aka 6.3.0.0-TIV-ITDS-IF0003) allows remote attackers to execute arbitrary code via a crafted LDAP request. NOTE: some of these details are obtained from third party information.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

The vulnerability is triggered by a stack-based buffer overflow in the server process of ibmslapd.exe. An attacker can exploit this by sending a specially crafted request to the server, which can lead to arbitrary code execution with the privileges of the server process.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Ibm Tivoli Directory Server 5.2.0 5.2.0.4 6.0 6.0.0.0 6.0.0.1 6.0.0.7
+78 more6.0.0.8 6.0.0.14 6.0.0.19 6.0.0.33 6.0.0.41 6.0.0.45 6.0.0.52 6.0.0.53 6.0.0.54 6.0.0.55 6.0.0.56 6.0.0.57 6.0.0.58 6.0.0.59 6.0.0.60 6.0.0.61 6.0.0.62 6.0.0.63 6.0.0.64 6.0.0.65 6.0.0.66 6.1.0.0 6.1.0.1 6.1.0.2 6.1.0.3 6.1.0.4 6.1.0.5 6.1.0.6 6.1.0.7 6.1.0.8 6.1.0.9 6.1.0.10 6.1.0.11 6.1.0.12 6.1.0.13 6.1.0.14 6.1.0.15 6.1.0.17 6.1.0.18 6.1.0.19 6.1.0.20 6.1.0.21 6.1.0.22 6.1.0.23 6.1.0.24 6.1.0.25 6.1.0.26 6.1.0.27 6.1.0.28 6.1.0.29 6.1.0.30 6.1.0.31 6.1.0.32 6.1.0.33 6.1.0.34 6.1.0.35 6.1.0.36 6.1.0.37 6.1.0.38 6.1.0.39 6.2.0.0 6.2.0.1 6.2.0.2 6.2.0.3 6.2.0.4 6.2.0.5 6.2.0.6 6.2.0.7 6.2.0.8 6.2.0.10 6.2.0.11 6.2.0.12 6.2.0.13 6.2.0.14 6.2.0.15 6.3.0.0 6.3.0.1 6.3.0.2
Remediation

No official vendor advisory link on record. See the CVE record →

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 5656 Days
CISA known-exploitedNot in KEV catalog
Public Exploit⚠ Available — Reference
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
Related CVEs affecting Ibm
CVE-2009-3699 10.0 Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in ... CVE-2010-3187 10.0 Buffer overflow in ftpd in IBM AIX 5.3 and earlier allows remote attackers to... CVE-2009-3517 10.0 nfs.ext in IBM AIX 5.3.x through 5.3.9 and 6.1.0 through 6.1.2 does not prope... CVE-2009-3935 10.0 Multiple unspecified vulnerabilities in the Advanced Management Module firmwa... CVE-2010-3754 10.0 The FXCLI_OraBR_Exec_Command function in FastBackServer.exe in the Server in ...
View all Ibm CVEs →

Critical Severity - Know Your Exposure

A CVSS 10.0 vulnerability in your ICS environment cannot wait. BreachSpider maps critical CVEs to your specific assets and tells you what to fix first.

Create a free account →