HCL BigFix IVR is impacted by improper authentication and missing CSRF protection

published 2026-01-07 10 mo ago modified 2026-10-07 33 d ago also EUVD-2026-1264

cvss: 2.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 0%
public exploits: 0; none known

Improper authentication and missing CSRF protection in the local setup interface component in HCL BigFix IVR version 4.2 allows a local attacker to perform unauthorized configuration changes via unauthenticated administrative configuration requests.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 10 mo ago (2026-01-07)

Exploit prediction

0.09% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	2.9	CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N
NVD	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Affected products

HCLSoftware BigFix IVR

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality
CWE-352 Cross-Site Request Forgery

References

support.hcl-software.com /csm?id=kb_article&sysparm_article=KB0127753
vendor-advisory

Sources

CVE List CVE-2025-31963
NVD CVE-2025-31963

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Summary