What is the CVSS score of CVE-2019-4220?

CVE-2019-4220 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.2%.

Infosphere Information Server On Cloud CVE-2019-4220

MEDIUM

Use of Hard-coded Credentials (CWE-798)

2019-06-06 psirt@us.ibm.com

Authentication Bypass IBM Infosphere Information Server On Cloud Watson Knowledge Catalog

5.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-798 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Credential externalization MITRE ATT&CK 2 techniques across 2 tactics: Persistence, Credential Access 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 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	A local attacker with access to the system could gain access using credentials embedded in source code.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAI

IBM InfoSphere Information Server 11.7.1.0 stores a common hard coded encryption key that could be used to decrypt sensitive information. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.

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 Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. IBM InfoSphere Information Server 11.7.1.0 stores a common hard coded encryption key that could be used to decrypt sensitive information. IBM X-Force ID: 159229. Affected products include: Ibm Infosphere Information Server On Cloud, Ibm Watson Knowledge Catalog.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

DescriptionNVD

IBM InfoSphere Information Server 11.7.1.0 stores a common hard coded encryption key that could be used to decrypt sensitive information. IBM X-Force ID: 159229.

Threat Intelligence Overview

EPSS Score

0.2%

Top 89% 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 MEDIUM

CISA KEV No

Public POC No

EPSS 0.2%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

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

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +28

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:infosphere_information_server_on_cloud:11.7.1.0:*:*:*:*:*:*:*

cpe:2.3:a:ibm:watson_knowledge_catalog:11.7.1.0:*:*:*:*:*:*:*

More in Infosphere Information Server On Cloud

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CVE-2024-40689 CRITICAL Act Now

9.8 Jul 26

IBM InfoSphere Information Server 11.7 is vulnerable to SQL injection. Rated critical severity (CVSS 9.8), this vulnerab

CVE-2022-40752 CRITICAL Act Now

9.8 Nov 16

IBM InfoSphere DataStage 11.7 is vulnerable to a command injection vulnerability due to improper neutralization of speci

CVE-2020-4305 HIGH This Week

8.8 Jul 09

IBM InfoSphere Information Server 11.3, 11.5, and 11.7 could allow a remote attacker to execute arbitrary code on the sy

CVE-2019-4185 HIGH This Week

8.3 Jun 06

IBM InfoSphere Information Server 11.7.1 containers are vulnerable to privilege escalation due to an insecurely configur

CVE-2016-6059 HIGH This Week

8.1 Feb 01

IBM InfoSphere Information Server is vulnerable to a denial of service, caused by an XML External Entity Injection (XXE)

CVE-2022-22454 HIGH This Week

7.8 May 10

IBM InfoSphere Information Server 11.7 could allow a locally authenticated attacker to execute arbitrary commands on the

CVE-2025-1499 MEDIUM This Month

6.5 Jun 01

IBM InfoSphere Information Server 11.7 stores credential information for database authentication in a cleartext paramete

CVE-2022-22442 MEDIUM This Month

6.5 Nov 03

"IBM InfoSphere Information Server 11.7 could allow an authenticated user to access information restricted to users with

CVE-2020-4286 MEDIUM This Month

6.5 May 19

IBM InfoSphere Information Server 11.3, 11.5, and 11.7 is vulnerable to cross-site request forgery which could allow an

CVE-2017-1321 MEDIUM This Month

6.1 Jul 12

IBM InfoSphere Information Server 9.1, 11.3, and 11.5 is vulnerable to cross-site scripting. Rated medium severity (CVSS

CVE-2016-9000 MEDIUM This Month

6.1 Feb 01

IBM InfoSphere DataStage is vulnerable to cross-frame scripting, caused by insufficient HTML iframe protection. Rated me

CVE-2016-5984 MEDIUM This Month

6.1 Feb 01

IBM InfoSphere Information Server is vulnerable to cross-frame scripting, caused by insufficient HTML iframe protection.

Same weakness CWE-798 – Use of Hard-coded Credentials

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CVE-2016-1560 CRITICAL POC

9.8

CVE-2017-14143 CRITICAL POC

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CVE-2025-14611 HIGH POC

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CVE-2026-22769 CRITICAL

10.0

CVE-2016-5678 CRITICAL POC

9.8

CVE-2017-6558 CRITICAL POC

9.8

CVE-2015-7246 CRITICAL POC

9.8

CVE-2015-4667 CRITICAL POC

9.8

Same technique Authentication Bypass

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CVE-2015-3306 CRITICAL POC

10.0

CVE-2023-22515 CRITICAL POC

9.8

CVE-2012-4681 CRITICAL POC

9.8

CVE-2013-2465 CRITICAL POC

9.8

CVE-2011-3544 CRITICAL POC

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CVE-2022-40684 CRITICAL POC

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CVE-2025-61882 CRITICAL POC

9.8

CVE-2024-0012 CRITICAL POC

9.3

References

Advisories & patches

ADVISORY https://exchange.xforce.ibmcloud.com/vulnerabilities/159229 ADVISORY https://www.ibm.com/support/docview.wss?uid=ibm10881197

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GitHub PoC

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