User redirection via unvalidated Host header
Published Jul 31, 2025 · Updated Jul 31, 2025
Open redirect in Sielox AnyWare 2.1.2 allows remote attackers to send users to attacker-controlled sites through a modified Host header. The redirection logic uses the untrusted HTTP Host header when generating absolute URLs instead of validating it against trusted hosts. The attack requires a user to open the crafted link and transfers the browser to an attacker-controlled site suited for phishing.
Summary
What happened
Open redirect in Sielox AnyWare 2.1.2 allows remote attackers to send users to attacker-controlled sites through a modified Host header. The redirection logic uses the untrusted HTTP Host header when generating absolute URLs instead of validating it against trusted hosts. The attack requires a user to open the crafted link and transfers the browser to an attacker-controlled site suited for phishing.
The record
- CVE
- CVE-2024-34328
- Published
- Jul 31, 2025
- Updated
- Jul 31, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-601, T1566.002
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 31, 2025CVE publishedPublication date reported by the CVE source.
- Jul 31, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- Host-header open-redirect proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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