What is the CVSS score of CVE-2019-11989?

CVE-2019-11989 has a CVSS 3.0 base score of 5.9 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.7%.

Icewall Sso Agent CVE-2019-11989

MEDIUM

2019-07-19 security-alert@hpe.com

Denial Of Service Apache Microsoft Red Hat HP Icewall Sso Agent Mfa Proxy

5.9

CVSS 3.0 · NVD

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Vulnerability Assessment

Impact	CVSS score of 5.9 (MEDIUM). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

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

No patch listed yet 1.7% exploitation probability (EPSS)

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AnalysisAI

A security vulnerability in HPE IceWall SSO Agent Option and IceWall MFA (Agent module ) could be exploited remotely to cause a denial of service. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

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.

Affects your stack

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Technical ContextAI · show details

A security vulnerability in HPE IceWall SSO Agent Option and IceWall MFA (Agent module ) could be exploited remotely to cause a denial of service. The versions and platforms of Agent Option modules that are impacted are as follows: 10.0 for Apache 2.2 on RHEL 5 and 6, 10.0 for Apache 2.4 on RHEL 7, 10.0 for Apache 2.4 on HP-UX 11i v3, 10.0 for IIS on Windows, 11.0 for Apache 2.4 on RHEL 7, MFA Proxy 4.0 (Agent module only) for Apache 2.4 on RHEL 7. Affected products include: Hp Icewall Sso Agent, Hp Mfa Proxy.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.9 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionNVD

Threat Intelligence Overview

EPSS Score

1.7%

Top 26% 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 1.7%

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.