How severe is CVE-2025-31981?

CVE-2025-31981 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-31981 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-31981?

CVE-2025-31981 affects Hcltech Bigfix Service Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-31981?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-31981 have an EU (EUVD) identifier?

Yes. CVE-2025-31981 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209542.

When was CVE-2025-31981 published?

CVE-2025-31981 was published on 2026-04-21 and last updated on 2026-06-17.

CVE-2025-31981

CVE-2025-31981 is a medium-severity vulnerability in Hcltech Bigfix Service Management with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209542
Weakness: CWE-319
Affected product: Hcltech Bigfix Service Management
Published: 2026-04-21
Last modified: 2026-06-17

Description

HCL BigFix Service Management (SM) Discovery is vulnerable to unenforced encryption due to port 80 (HTTP) being open, allowing unencrypted access. An attacker with access to the network traffic can sniff packets from the connection and uncover the data.

Frequently asked questions

What is CVE-2025-31981?: HCL BigFix Service Management (SM) Discovery is vulnerable to unenforced encryption due to port 80 (HTTP) being open, allowing unencrypted access. An attacker with access to the network traffic can sniff packets from the connection and uncover the data.
How severe is CVE-2025-31981?: CVE-2025-31981 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-31981 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-31981?: CVE-2025-31981 affects Hcltech Bigfix Service Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-31981?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-31981 have an EU (EUVD) identifier?: Yes. CVE-2025-31981 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209542.
When was CVE-2025-31981 published?: CVE-2025-31981 was published on 2026-04-21 and last updated on 2026-06-17.

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0127605

Affected products (1)

cpe:2.3:a:hcltech:bigfix_service_management:23.0:*:*:*:*:*:*:*

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