Is there a public exploit for CVE-2026-21830?

No public exploit for CVE-2026-21830 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-21830?

CVE-2026-21830 scores CVSS 3.7 (v3.1), rated low.

3.7 Low

HCL BigFix AEX product is affected by a vulnerability in the aws-sdk package..

CVE-2026-21830

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.

Assessment

CVSS: 3.7 (v3.1)
Severity: Low
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 28 October 2026
Last updated: 28 October 2026
Weakness: CWE-20
Assigner: psirt@hcl.com

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

At the source

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134884

Community proofs of concept

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