What is the CVSS score of CVE-2013-6335?

CVE-2013-6335 has a CVSS 2.0 base score of 3.3 (Low). CVSS vector: AV:L/AC:M/Au:N/C:P/I:P/A:N. EPSS exploitation probability: 0.0%.

Tivoli Storage Manager CVE-2013-6335

LOW

Improper Preservation of Permissions (CWE-281)

2014-08-26 psirt@us.ibm.com

Authentication Bypass IBM HP Tivoli Storage Manager

3.3

CVSS 2.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-281 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Permission preservation
Impact	CVSS score of 3.3 (LOW). Attack characteristics: local attack vector, M complexity. EPSS exploitation probability: 0.04%.
Exploit ScenarioDerived	Successful exploitation could compromise the low-severity affected system.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAI

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-281. The Backup-Archive client in IBM Tivoli Storage Manager (TSM) for Space Management 5.x and 6.x before 6.2.5.3, 6.3.x before 6.3.2, 6.4.x before 6.4.2, and 7.1.x before 7.1.0.3 on Linux and AIX, and 5.x and 6.x before 6.1.5.6 on Solaris and HP-UX, does not preserve file permissions across backup and restore operations, which allows local users to bypass intended access restrictions via standard filesystem operations. Affected products include: Ibm Tivoli Storage Manager. Version information: before 6.2.5.3.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 3.3 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Confidentiality

Integrity

Availability

None

DescriptionCVE.org

The Backup-Archive client in IBM Tivoli Storage Manager (TSM) for Space Management 5.x and 6.x before 6.2.5.3, 6.3.x before 6.3.2, 6.4.x before 6.4.2, and 7.1.x before 7.1.0.3 on Linux and AIX, and 5.x and 6.x before 6.1.5.6 on Solaris and HP-UX, does not preserve file permissions across backup and restore operations, which allows local users to bypass intended access restrictions via standard filesystem operations.

Threat Intelligence Overview

EPSS Score

0.0%

Top 86% 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 LOW

CISA KEV No

Public POC No

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

LOW severity (CVSS 0.1-3.9)

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

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +16

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:ibm:tivoli_storage_manager:*:*:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY http://www-01.ibm.com/support/docview.wss?uid=swg21680453 ADVISORY https://exchange.xforce.ibmcloud.com/vulnerabilities/89054 REF http://secunia.com/advisories/60482 REF http://www-01.ibm.com/support/docview.wss?uid=swg1IC96095

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