CVE-2025-31984: HCL BigFix Service Management (SM) is affected by a security misconfiguration due to a missing or insecure “X-

Routine

LOW 3.7DOWNGRADE

CVE-2025-31984 is a low-severity flaw (CVSS 3.7) affecting bigfix service management. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.7 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.1% (top 97%)
CISA exploited list	No
Weakness	CWE-200
Published	2026-05-06
Last modified	2026-10-07

Publisher (CNA): HCL Software · Vendor: hcltech

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-06 15:16 UTCPublished CVE record published
2026-10-07 09:10 UTCUpdated Record last modified

hcltech bigfix service management DOWNGRADE

Affected: 23.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 23.0

1. Check installed version

apt-cache policy bigfix-service-management || rpm -q bigfix-service-management || bigfix-service-management --version

2. No fixed release: DOWNGRADE to a release before 23.0 (Debian / Ubuntu)

apt-cache madison bigfix-service-management sudo apt install bigfix-service-management=<VERSION_BEFORE_23.0> sudo apt-mark hold bigfix-service-management

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list bigfix-service-management sudo dnf downgrade bigfix-service-management-<VERSION_BEFORE_23.0> sudo dnf versionlock add bigfix-service-management

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-31984?

bigfix service management: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-31984 being exploited?

CVE-2025-31984 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-31984 affect?

CVE-2025-31984 affects bigfix service management. Severity is low (CVSS 3.7). 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 b

How urgent is CVE-2025-31984?

Priority 14/100. No elevated risk signals yet.

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CVE-2026-56595 LOW 3.1 DOWNGRADE HCL BigFix Service Management is affected by a CORS Misconfiguration vulnerability due to improperly validated
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References

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