HCL BigFix WebUI is affected by a host header poisoning vulnerability

published 2025-10-10 last yr. modified 2026-10-08 last mo. also EUVD-2025-33794

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits: 0; none known

The BigFix WebUI application responds with HOST information from the HTTP header field making it vulnerable to Host Header Poisoning Attacks.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: last yr. (2025-10-14)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

HCL Software BigFix WebUI

Classification

Weakness

CWE-644 Improper Neutralization of HTTP Headers for Scripting Syntax

References

support.hcl-software.com /csm?id=kb_article&sysparm_article=KB0124562

Sources

CVE List CVE-2025-52647
NVD CVE-2025-52647

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