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Vulnerabilities

Vulnerability · CVE-2026-21848

HCL BigFix Service Management is affected by a Security Misconfiguration vulnerability, which could allow an authenticated attacker to exploit improper access controls…

Published Sep 18, 2026 · catalog updated Oct 14, 2026 · bigfix service management

Last checked Oct 25, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-21848. EPSS is 0.27%. Act only if a listed version of bigfix service management is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.27%
Remediation
Advisory link
Affected products
cpe hcltech/bigfix service management

HCL BigFix Service Management is affected by a Security Misconfiguration vulnerability, which could allow an authenticated attacker to exploit improper access controls, enabling the unauthorized viewing of restricted data elements across tenant boundaries.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe hcltech/bigfix service management23
  • cpe hcltech/bigfix service management27

How to fix CVE-2026-21848

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-21848. EPSS is 0.27%. Act only if a listed version of bigfix service management is installed.

Which versions are affected?

Compare what you have installed with hcltech/bigfix service management 23; hcltech/bigfix service management 27. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-284: Improper Access Control. EPSS 0.27%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 18, 2026 · NIST NVD

    Detected

    HCL BigFix Service Management is affected by a Security Misconfiguration vulnerability, which could allow an authenticated attacker to exploit improper access controls, enabling the unauthorized viewing of restricted data elements across tenant boundaries.

  2. Oct 14, 2026 · NIST NVD

    Updated

    HCL BigFix Service Management is affected by a Security Misconfiguration vulnerability, which could allow an authenticated attacker to exploit improper access controls, enabling the unauthorized viewing of restricted data elements across tenant boundaries.

Sources

  • CVE.orgVulnerability recordCVE-2026-21848

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21848

    30-day exploitation probability 0.27%

    first.org
  • NIST NVDVulnerability recordCVE-2026-21848

    HCL BigFix Service Management is affected by a Security Misconfiguration vulnerability, which could allow an authenticated attacker to exploit improper access controls, enabling the unauthorized viewing of restricted data elements across tenant boundaries.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 25, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 25, 2026
  • CVE.orgOct 16, 2026
  • NIST NVDOct 14, 2026