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Tivoli Directory Server CVE-2012-0726

MEDIUM
Cryptographic Issues (CWE-310)
2012-04-22 psirt@us.ibm.com
Information Disclosure IBM Tivoli Directory Server
6.4
CVSS 2.0 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-310
OWASP Top 10:2025
A04:2025 - Cryptographic Failures
ASVS 5.0
V11 - Cryptography Cryptographic controls
Impact

CVSS score of 6.4 (MEDIUM). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 0.52%.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

The default configuration of TLS in IBM Tivoli Directory Server (TDS) 6.3 and earlier supports the (1) NULL-MD5 and (2) NULL-SHA ciphers, which allows remote attackers to trigger unencrypted. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-310. The default configuration of TLS in IBM Tivoli Directory Server (TDS) 6.3 and earlier supports the (1) NULL-MD5 and (2) NULL-SHA ciphers, which allows remote attackers to trigger unencrypted communication via the TLS Handshake Protocol. Affected products include: Ibm Tivoli Directory Server.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 6.4 MEDIUM
AV:N/AC:L/Au:N/C:P/I:P/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
P
Integrity
P
Availability
None

DescriptionCVE.org

The default configuration of TLS in IBM Tivoli Directory Server (TDS) 6.3 and earlier supports the (1) NULL-MD5 and (2) NULL-SHA ciphers, which allows remote attackers to trigger unencrypted communication via the TLS Handshake Protocol.

Threat Intelligence Overview

EPSS Score
0.5%
Top 33% exploitable
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:ibm:tivoli_directory_server:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:4.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:5.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.0.0.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.0.0.8:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.0.0.69:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.1.0.45:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.1.0.46:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.1.0.47:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.1.0.48:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.2.0.19:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.2.0.20:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.2.0.21:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.2.0.22:*:*:*:*:*:*:*

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Same weakness CWE-310 – Cryptographic Issues

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References

Advisories & patches
REF http://www-01.ibm.com/support/docview.wss?uid=swg21591272 REF http://www.ibm.com/support/docview.wss?uid=swg1IO15761 REF http://www.ibm.com/support/docview.wss?uid=swg1IO16035 REF http://www.ibm.com/support/docview.wss?uid=swg1IO16036 REF http://www.securityfocus.com/bid/53043 REF http://www.securitytracker.com/id?1026939 REF https://exchange.xforce.ibmcloud.com/vulnerabilities/74303

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