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CVE-2015-4933

28
FAUCET Score

CVE-2015-4933 describes a critical stack-based buffer overflow vulnerability in the server component of IBM Tivoli Storage Manager FastBack versions prior to 6.1.12.1. This flaw allows unauthenticated remote attackers to execute arbitrary code by sending a specially crafted network packet. With a CVSS score of 10.0, this vulnerability is highly severe, indicating a network-based attack with low complexity and complete compromise of confidentiality, integrity, and availability. Despite its critical nature, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.1.0.0CPE matchmatch criteria
cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.0.0:*:*:*:*:*:*:*
6.1.1.0CPE matchmatch criteria
cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.1.0:*:*:*:*:*:*:*
6.1.7.2CPE matchmatch criteria
cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.7.2:*:*:*:*:*:*:*
6.1.8.0CPE matchmatch criteria
cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.8.0:*:*:*:*:*:*:*
6.1.8.1CPE matchmatch criteria
cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.8.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.98%
Probability of exploitation in next 30 days
EPSS Percentile
94.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0898 is in the 91st percentile among its peer group of 51,506 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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
PatchVendor Advisory
securityfocus.com / bid/76111
zerodayinitiative.com / advisories/ZDI-15-374