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Tivoli Storage Manager For Mail Data Protection For Microsoft Exchange Server CVE-2015-4950

MEDIUM
Information Exposure (CWE-200)
2015-08-23 psirt@us.ibm.com
Information Disclosure IBM Microsoft Tivoli Storage Manager For Mail Data Protection For Microsoft Exchange Server Tivoli Storage Fastback For Microsoft Exchange Tivoli Storage Flashcopy Manager For Microsoft Exchange Server
4.0
CVSS 2.0 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-200
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V14 - Data Protection Data exposure prevention
MITRE ATT&CK

2 techniques across 2 tactics: Collection, Discovery

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 4.0 (MEDIUM). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 0.25%.
Exploit ScenarioDerived

A remote attacker could access sensitive data that should not be disclosed by sending crafted requests to the affected application.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisAI

The mailbox-restore feature in IBM Tivoli Storage Manager for Mail: Data Protection for Microsoft Exchange Server 6.1 before 6.1.3.6, 6.3 before 6.3.1.3, 6.4 before 6.4.1.4, and 7.1 before 7.1.0.2;. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. The mailbox-restore feature in IBM Tivoli Storage Manager for Mail: Data Protection for Microsoft Exchange Server 6.1 before 6.1.3.6, 6.3 before 6.3.1.3, 6.4 before 6.4.1.4, and 7.1 before 7.1.0.2; Tivoli Storage FlashCopy Manager: FlashCopy Manager for Microsoft Exchange Server 2.1, 2.2, 3.1 before 3.1.1.5, 3.2 before 3.2.1.7, and 4.1 before 4.1.1; and Tivoli Storage Manager FastBack for Microsoft Exchange 6.1 before 6.1.5.4 does not ensure that the correct mailbox is selected, which allows remote authenticated users to obtain sensitive information via a duplicate alias name. Affected products include: Ibm Tivoli Storage Fastback For Microsoft Exchange, Ibm Tivoli Storage Flashcopy Manager For Microsoft Exchange Server, Ibm Tivoli Storage Manager For Mail Data Protection For Microsoft Exchange Server. Version information: before 6.1.3.6.

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

NVD PRIMARY 4.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionCVE.org

The mailbox-restore feature in IBM Tivoli Storage Manager for Mail: Data Protection for Microsoft Exchange Server 6.1 before 6.1.3.6, 6.3 before 6.3.1.3, 6.4 before 6.4.1.4, and 7.1 before 7.1.0.2; Tivoli Storage FlashCopy Manager: FlashCopy Manager for Microsoft Exchange Server 2.1, 2.2, 3.1 before 3.1.1.5, 3.2 before 3.2.1.7, and 4.1 before 4.1.1; and Tivoli Storage Manager FastBack for Microsoft Exchange 6.1 before 6.1.5.4 does not ensure that the correct mailbox is selected, which allows remote authenticated users to obtain sensitive information via a duplicate alias name.

Threat Intelligence Overview

EPSS Score
0.2%
Top 52% 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 0.2%
Patch available Yes
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

20
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +20
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_storage_fastback_for_microsoft_exchange:6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_flashcopy_manager_for_microsoft_exchange_server:2.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_flashcopy_manager_for_microsoft_exchange_server:2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_flashcopy_manager_for_microsoft_exchange_server:3.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_flashcopy_manager_for_microsoft_exchange_server:3.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_flashcopy_manager_for_microsoft_exchange_server:4.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager_for_mail_data_protection_for_microsoft_exchange_server:6.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager_for_mail_data_protection_for_microsoft_exchange_server:6.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager_for_mail_data_protection_for_microsoft_exchange_server:6.1.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager_for_mail_data_protection_for_microsoft_exchange_server:6.1.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager_for_mail_data_protection_for_microsoft_exchange_server:6.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager_for_mail_data_protection_for_microsoft_exchange_server:6.3.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager_for_mail_data_protection_for_microsoft_exchange_server:6.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager_for_mail_data_protection_for_microsoft_exchange_server:6.4.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_storage_manager_for_mail_data_protection_for_microsoft_exchange_server:7.1:*:*:*:*:*:*:*

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References

Advisories & patches
PATCH http://www-01.ibm.com/support/docview.wss?uid=swg21963629 ADVISORY http://www-01.ibm.com/support/docview.wss?uid=swg1IT04251 ADVISORY http://www-01.ibm.com/support/docview.wss?uid=swg1IT04252 REF http://www.securitytracker.com/id/1033652

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