What is the CVSS score of CVE-2015-1896?

CVE-2015-1896 has a CVSS 2.0 base score of 10.0 (Critical). CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS exploitation probability: 40.3%.

Is there a patch available for CVE-2015-1896?

Yes, a patch is available for CVE-2015-1896. Update the affected software to the latest version immediately.

Tivoli Storage Manager Fastback CVE-2015-1896

CRITICAL

Buffer Overflow (CWE-119)

2015-05-25 psirt@us.ibm.com

RCE Buffer Overflow IBM Tivoli Storage Manager Fastback

10.0

CVSS 2.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-119 ASVS 5.0 V15 - Secure Coding and Architecture Bounds checking, buffer size validation MITRE ATT&CK 2 techniques across 2 tactics: Execution, Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 10.0 (CRITICAL). Attack characteristics: network attack vector, low complexity. EPSS exploitation probability: 40.25%.
Exploit ScenarioDerived	A remote attacker could corrupt memory to execute arbitrary code or crash the application by sending crafted requests to the affected application.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

Patch available 40.3% exploitation probability (EPSS)

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AnalysisAI

Stack-based buffer overflow in the FastBackMount process in IBM Tivoli Storage Manager FastBack 6.1 before 6.1.11.1 allows remote attackers to execute arbitrary code via unspecified vectors. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 40.3%.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. Stack-based buffer overflow in the FastBackMount process in IBM Tivoli Storage Manager FastBack 6.1 before 6.1.11.1 allows remote attackers to execute arbitrary code via unspecified vectors. Affected products include: Ibm Tivoli Storage Manager Fastback. Version information: before 6.1.11.1.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 10.0 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Confidentiality

Integrity

Availability

DescriptionCVE.org

Stack-based buffer overflow in the FastBackMount process in IBM Tivoli Storage Manager FastBack 6.1 before 6.1.11.1 allows remote attackers to execute arbitrary code via unspecified vectors.

Threat Intelligence Overview

EPSS Score

40.3%

Top 3% 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 CRITICAL

CISA KEV No

Public POC No

EPSS 40.3%

Patch available Yes

Active threat No

Deciding rule

CRITICAL severity

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

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +40

CVSS: +50

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)CVE.org

cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.0.1:*:*:*:*:*:*:*

cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.1.0:*:*:*:*:*:*:*

cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.7.2:*:*:*:*:*:*:*

cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.8.0:*:*:*:*:*:*:*

cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.8.1:*:*:*:*:*:*:*

cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.9.0:*:*:*:*:*:*:*

cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.9.1:*:*:*:*:*:*:*

cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.10.0:*:*:*:*:*:*:*

cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.10.1:*:*:*:*:*:*:*

cpe:2.3:a:ibm:tivoli_storage_manager_fastback:6.1.11.0:*:*:*:*:*:*:*

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