CVE-2025-31979 A File Upload Validation Bypass vulnerability has been identified in the HCL BigFix Service Management (SM)
Attackers can upload malicious files like web shells by bypassing validation, leading to potential code execution on HCL BigFix SM.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-31979?
CVE-2025-31979 is a medium-severity vulnerability in HCL Software BigFix Service Management (SM), published on 28 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Weakness: CWE-434
Which versions are affected by CVE-2025-31979?
How do I fix CVE-2025-31979?
No fix has been published for CVE-2025-31979 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-31979 being exploited?
There is no known exploitation of CVE-2025-31979 in the wild and no public exploit code.
Sources
Also known as GHSA-hj7g-h883-x979.