Medium severity · published May 6, 2026
CVE-2025-31984
HCL BigFix Service Management (SM) is affected by a security misconfiguration due to a missing or insecure “X-Content-Type-Options” header
5.4
CVSS
0.1%
EPSS
No
On KEV
Description
HCL BigFix Service Management (SM) is affected by a security misconfiguration due to a missing or insecure “X-Content-Type-Options” header. This could allow browsers to perform MIME-type sniffing, potentially causing malicious content to be interpreted and executed incorrectly.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BS
BigFix Service Management (SM) · HCL
23 · source: vendor
BS
Bigfix Service Management · Hcltech
23.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-31984
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-31984
Vendor Advisory
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0128144
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6.5
CVE-2025-31985
HCL BigFix Service Management (SM) is affected by a security misconfiguration due to a missing or insecure “X-Content-Type-Options” header
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CVE-2025-31960
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