What is the CVSS score of CVE-2018-1842?

CVE-2018-1842 has a CVSS 3.0 base score of 3.6 (Low). CVSS vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.3%.

Is there a patch available for CVE-2018-1842?

Yes, a patch is available for CVE-2018-1842. Update the affected software to the latest version immediately.

Cognos Analytics CVE-2018-1842

LOW

Improper Verification of Cryptographic Signature (CWE-347)

2018-11-09 psirt@us.ibm.com

Authentication Bypass IBM Jwt Attack Cognos Analytics Oncommand Insight Netapp

3.6

CVSS 3.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-347 OWASP Top 10:2025 A04:2025 - Cryptographic Failures ASVS 5.0 V11 - Cryptography Signature verification
Impact	CVSS score of 3.6 (LOW). Attack characteristics: local attack vector, high complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	Successful exploitation could compromise the low-severity affected system.

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

Patch available 0.3% exploitation probability (EPSS)

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AnalysisAI

IBM Cognos Analytics 11 Configuration tool, under certain circumstances, will bypass OIDC namespace signature verification on its id_token. Rated low severity (CVSS 3.6).

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-347. IBM Cognos Analytics 11 Configuration tool, under certain circumstances, will bypass OIDC namespace signature verification on its id_token. IBM X-Force ID: 150902. Affected products include: Ibm Cognos Analytics, Netapp Oncommand Insight.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 3.6 LOW

AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

DescriptionNVD

IBM Cognos Analytics 11 Configuration tool, under certain circumstances, will bypass OIDC namespace signature verification on its id_token. IBM X-Force ID: 150902.

Threat Intelligence Overview

EPSS Score

0.3%

Top 82% exploitable

Data Quality

2 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 0.3%

Patch available Yes

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

Authentication Bypass CRITICAL

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

Affected Products (CPE)NVD

cpe:2.3:a:ibm:cognos_analytics:*:*:*:*:*:*:*:*

cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*

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References

Advisories & patches

PATCH https://www.ibm.com/support/docview.wss?uid=ibm10738249 ADVISORY https://exchange.xforce.ibmcloud.com/vulnerabilities/150902 REF http://www.securitytracker.com/id/1042031 REF https://security.netapp.com/advisory/ntap-20190329-0003/ REF https://security.netapp.com/advisory/ntap-20190401-0003/

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GitHub PoC

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