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CVE-2015-4950

14
FAUCET Score

CVE-2015-4950 describes a vulnerability in the mailbox-restore feature of several IBM Tivoli Storage Manager and FlashCopy Manager products for Microsoft Exchange Server. This flaw allows remote authenticated users to access sensitive information from an incorrect mailbox due to the system failing to properly differentiate between duplicate alias names. The vulnerability has a CVSS score of 4.0, indicating a medium severity, with a network attack vector, low attack complexity, and potential for partial confidentiality impact. There is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.1CPE matchmatch criteria
cpe:2.3:a:ibm:tivoli_storage_fastback_for_microsoft_exchange:6.1:*:*:*:*:*:*:*
2.1CPE matchmatch criteria
cpe:2.3:a:ibm:tivoli_storage_flashcopy_manager_for_microsoft_exchange_server:2.1:*:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:a:ibm:tivoli_storage_flashcopy_manager_for_microsoft_exchange_server:2.2:*:*:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:a:ibm:tivoli_storage_flashcopy_manager_for_microsoft_exchange_server:3.1:*:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:a:ibm:tivoli_storage_flashcopy_manager_for_microsoft_exchange_server:3.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.0MEDIUM

AV:N/AC:L/Au:S/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.65%
Probability of exploitation in next 30 days
EPSS Percentile
74.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0165 is in the 87th percentile among its peer group of 21,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
PatchVendor Advisory
securitytracker.com / id/1033652