9.8

CVE-2026-56592

CVSS: 9.8v3.1CriticalAnalyzed
Published 2026-09-18Last modified 2026-09-18

Vulnerability summary

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (nvd)
EPSS score
0.45%
0%100%
Low · Change unavailable
KEVNot listed0 of 3 catalogs
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 2026-09-18
    PublishedVulnerability first disclosed.
  2. 2026-09-18
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.45%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

2026-09-182026-10-14
EPSS score
0.45%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Hcl software1 product
  • hcl bigfix service managementv27
Hcltech1 product
  • bigfix_service_management23 | 27

2 vendors · 2 products

References

1 links