How severe is CVE-2025-31977?

CVE-2025-31977 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-31977 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-2025-31977?

CVE-2025-31977 affects Hcltech Bigfix Service Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-31977?

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

Does CVE-2025-31977 have an EU (EUVD) identifier?

Yes. CVE-2025-31977 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26119.

When was CVE-2025-31977 published?

CVE-2025-31977 was published on 2025-08-28 and last updated on 2026-06-17.

CVE-2025-31977

CVE-2025-31977 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-311.

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-2025-26119
Weakness: CWE-311
Affected product: Hcltech Bigfix Service Management
Published: 2025-08-28
Last modified: 2026-06-17

Description

HCL BigFix SM is affected by cryptographic weakness due to weak or outdated encryption algorithms. An attacker with network access could exploit this weakness to decrypt or manipulate encrypted communications under certain conditions.

Frequently asked questions

What is CVE-2025-31977?: HCL BigFix SM is affected by cryptographic weakness due to weak or outdated encryption algorithms. An attacker with network access could exploit this weakness to decrypt or manipulate encrypted communications under certain conditions.
How severe is CVE-2025-31977?: CVE-2025-31977 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-31977 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-2025-31977?: CVE-2025-31977 affects Hcltech Bigfix Service Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-31977?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-31977 have an EU (EUVD) identifier?: Yes. CVE-2025-31977 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26119.
When was CVE-2025-31977 published?: CVE-2025-31977 was published on 2025-08-28 and last updated on 2026-06-17.

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0123631

Affected products (1)

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

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