What is the CVSS score of CVE-2015-0121?

CVE-2015-0121 has a CVSS 2.0 base score of 3.7 (Low). CVSS vector: AV:L/AC:H/Au:N/C:P/I:P/A:P. EPSS exploitation probability: 0.2%.

Rational Requirements Composer CVE-2015-0121

LOW

2015-05-30 psirt@us.ibm.com

Information Disclosure IBM Rational Requirements Composer Rational Doors Next Generation

3.7

CVSS 2.0 · NVD

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Vulnerability Assessment

Impact	CVSS score of 3.7 (LOW). Attack characteristics: local attack vector, high complexity. EPSS exploitation probability: 0.19%.
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 0.2% 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

IBM Rational Requirements Composer 3.0 through 3.0.1.6 and 4.0 through 4.0.7 and Rational DOORS Next Generation (RDNG) 4.0 through 4.0.7 and 5.0 through 5.0.2, when LTPA single sign on is used with WebSphere Application Server, do not terminate a Requirements Management (RM) session upon LTPA token expiration, which allows remote attackers to obtain access by leveraging an unattended workstation. Affected products include: Ibm Rational Requirements Composer, Ibm Rational Doors Next Generation. Version information: through 3.0.1.6.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 3.7 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

High

Confidentiality

Integrity

Availability

DescriptionCVE.org

Threat Intelligence Overview

EPSS Score

0.2%

Top 59% 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 0.2%

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: +18

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:ibm:rational_requirements_composer:3.0:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:3.0.1:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:3.0.1.1:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:3.0.1.2:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:3.0.1.3:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:3.0.1.4:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:3.0.1.5:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:3.0.1.6:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:4.0:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:4.0.0:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:4.0.0.1:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:4.0.0.2:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:4.0.1:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:4.0.2:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:4.0.3:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:4.0.4:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:4.0.5:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:4.0.6:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_requirements_composer:4.0.7:*:*:*:*:*:*:*

cpe:2.3:a:ibm:rational_doors_next_generation:4.0.0:*:*:*:*:*:*:*

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References

Advisories & patches

ADVISORY http://www-01.ibm.com/support/docview.wss?uid=swg21903761 REF http://www.securityfocus.com/bid/74910

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GitHub PoC

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