Vulnerability · Published Aug 28, 2025 · Assigned by HCL

CVE-2025-31979A File Upload Validation Bypass vulnerability has been identified in the HCL BigFix Service Management (SM)

Medium 5.4

In plain English

A medium-severity unrestricted file upload in BigFix Service Management (SM) from HCL Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.2%top 88.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A File Upload Validation Bypass vulnerability has been identified in the HCL BigFix SM, where the application fails to properly enforce file type restrictions during the upload process. An attacker may exploit this flaw to upload malicious or unauthorized files, such as scripts, executables, or web shells, by bypassing client-side or server-side validation mechanisms.

Affected products (as reported)

Vendor	Product	Versions
HCL Software	BigFix Service Management (SM)	23

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0123631