CVE-2026-56592HCL BigFix Service Management is affected by multiple security vulnerabilities.

HCL BigFix Service Management is affected by an Improper Authentication validation vulnerability related to inadequate account lockouts, which could allow an unauthenticated attacker to execute sustained brute-force attacks against the login interface, resulting in unauthorized system access.

9.8 CRITICALEPSS 0.28%Not in KEVNVD: Analyzed

Last updated: 2026-10-14 17:45 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Sep 18, 2026
Assigner: HCL

Affected

HCL BigFix Service Management (HCL Software)

Versions: v27

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —
SSVC: Exploitation none · Automatable yes · Impact partial

EPSS · FIRST, scored Nov 7

0.28%chance of exploitation in 30 days

Higher than 21.09% of CVEs

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.1 · HCL (CNA)

6.5Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: Low
Integrity impact: None
Availability impact: Low

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.5	MEDIUM	3.1HCL (CNA)	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Details

CVE ID: CVE-2026-56592
Status: Analyzed
Assigner (CNA): HCL
Published: Sep 18, 2026
Last modified: 2026-10-14 17:45 UTC
Weaknesses: CWE-307 · Improper Restriction of Excessive Authentication Attempts

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 08:54 UTC.