How severe is CVE-2015-4950?

CVE-2015-4950 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2015-4950 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4950?

CVE-2015-4950 primarily affects Ibm Tivoli Storage Fastback For Microsoft Exchange. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-4950?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-4950 published?

CVE-2015-4950 was published on 2015-08-23 and last updated on 2026-06-17.

CVE-2015-4950

CVE-2015-4950 is a medium-severity vulnerability in Ibm Tivoli Storage Fastback For Microsoft Exchange with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Ibm Tivoli Storage Fastback For Microsoft Exchange
Published: 2015-08-23
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2015-4950?: 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.
How severe is CVE-2015-4950?: CVE-2015-4950 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2015-4950 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4950?: CVE-2015-4950 primarily affects Ibm Tivoli Storage Fastback For Microsoft Exchange. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-4950?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4950 published?: CVE-2015-4950 was published on 2015-08-23 and last updated on 2026-06-17.

References

Affected products (15)

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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