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TI-2026-81959 Aliases CVE-2026-21830GHSA-gw6w-q73x-mgg3

HCL BigFix AEX sends AWS API requests to unintended endpoints

Priority LOW 17CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

HCL BigFix AEX from V13.0 is affected. Improper input validation (CWE-20) in the aws-sdk package may send AWS API requests to unintended or non-AWS endpoints. A remote unauthenticated attacker can trigger this under high attack complexity, with low confidentiality impact.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

HCL BigFix AEX product is affected by a vulnerability in the aws-sdk package.. It may cause AWS API requests to be sent to unintended or non‐AWS endpoints.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00249 16th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HCL SoftwareBigFix AEXV13.0—No fix listedCNA
  • BigFix AEX VendorHCL Software Affected V13.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for HCL BigFix AEX.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-28 Threatist record created from CVE-2026-21830
  2. 2026-10-28 Alias added: GHSA-gw6w-q73x-mgg3
  3. 2026-11-06 CISA SSVC decision points changed

References

Other 1

  • TI-2023-24505 Path Traversal which allows file upload capability affects DRYiCE MyXalytics CVSS 3.1CRITICAL 9.8
  • TI-2022-22044 Out-of-bounds write in HCL Software Notes CVSS 3.1CRITICAL 9.8
  • TI-2022-22043 Out-of-bounds write in HCL Software Domino CVSS 3.1CRITICAL 9.8
  • TI-2022-22042 Out-of-bounds write in HCL Software Notes CVSS 3.1CRITICAL 9.8
  • TI-2022-22041 Out-of-bounds write in HCL Software Domino CVSS 3.1CRITICAL 9.8
  • TI-2022-22040 Out-of-bounds write in HCL Software Notes CVSS 3.1CRITICAL 9.8
See all 661 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences