CVE-2026-56592
CVSS: 9.8v3.1CriticalAnalyzed
Published 2026-09-18Last modified 2026-09-18
Vulnerability summary
CVSS score
9.8/10
010
Critical · v3.1 (nvd)EPSS score
0.45%
0%100%
Low · Change unavailableKEVNot listed0 of 3 catalogs
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 2026-09-18PublishedVulnerability first disclosed.
- 2026-09-18Last 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 versionCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.5–9.8
- CVE.orgCNA6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:LDiffers
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 score0.45%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Hcl software1 product
- hcl bigfix service managementv27
Hcltech1 product
- bigfix_service_management23 | 27
2 vendors · 2 products