CVE-2025-0274 HCL BigFix Modern Client Management (MCM) 3.3 and earlier is affected by improper access control

What is CVE-2025-0274?

CVE-2025-0274 is a medium-severity missing authorization vulnerability in HCL Software BigFix Modern Client Management, published on 16 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HCL BigFix Modern Client Management (MCM) 3.3 and earlier is affected by improper access control. Unauthorized users can access a small subset of endpoint actions, potentially allowing access to select internal functions.

Weakness: CWE-306

Which versions are affected by CVE-2025-0274?

It affects 2 products.

Products include Hcltech Bigfix Mobile, Hcltech Bigfix Modern Client Management.

How do I fix CVE-2025-0274?

No fix has been published for CVE-2025-0274 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-0274 being exploited?

There is no known exploitation of CVE-2025-0274 in the wild and no public exploit code.

Other vulnerabilities in HCL Software BigFix Modern Client Management

• CVE-2021-27783 HCL BigFix Mobile / Modern Client Management is vulnerable to sensitive information exposure Medium 6.8
• CVE-2023-28014 HCL BigFix Mobile can be affected by a cross-site scripting (XSS) vulnerability Medium 6.6
• CVE-2021-27781 HCL BigFix Mobile / Modern Client Management is vulnerable to stored cross-site scripting Medium 6.6
• CVE-2025-0276 HCL BigFix Modern Client Management (MCM) is affected by an insecure Content Security Policy (CSP) Medium 6.5
• CVE-2025-0277 HCL BigFix Mobile is affected by an insecure Content Security Policy (CSP) Medium 6.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-99wf-56wq-qm88.