CVE-2025-34186
BaseFortify
Publication date: 2025-09-16
Last updated on: 2025-09-25
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ilevia | eve_x1_server_firmware | to 4.7.18.0 (inc) |
| ilevia | eve_x1_server | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-287 | When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. |
| CWE-78 | The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2025-34186 is a critical vulnerability in Ilevia EVE X1/X5 Server versions up to 4.7.18.0.eden. It occurs because the authentication mechanism passes unsanitized user input to a system() call, allowing attackers to inject special characters and manipulate command parsing. Due to the server interpreting any non-zero exit code from the authentication binary as successful authentication, attackers can bypass authentication remotely without valid credentials or user interaction, gaining unauthorized access. [1, 2]
How can this vulnerability impact me? :
This vulnerability can have severe impacts including unauthorized full access to the affected system, bypassing authentication controls. Attackers can execute OS commands remotely, potentially leading to compromise of confidentiality, integrity, and availability of the system. It also poses a risk of denial of service (DoS). The vulnerability requires no privileges or user interaction and can be exploited over the network. [1, 2]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection can involve monitoring for unauthorized access attempts or unusual authentication bypass behavior on Ilevia EVE X1/X5 Server versions ≤ 4.7.18.0.eden. Since the vulnerability involves injection of special characters into the authentication system() call, one could attempt to test the authentication mechanism using crafted inputs containing special characters (e.g., double quotes "). Additionally, using the publicly available proof-of-concept exploit script named ilevia_auth.py (mentioned in Resource 2) can help verify if the system is vulnerable. Network monitoring tools could look for suspicious authentication attempts or unexpected command execution patterns related to this server. Specific commands are not detailed in the provided resources, but running the ilevia_auth.py script against the server is suggested for detection. [2]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include restricting network access to the affected Ilevia EVE X1/X5 Server to trusted hosts only, implementing network-level controls such as firewalls to block unauthorized access, and monitoring for suspicious authentication attempts. Since the vendor has not responded and no patch is mentioned, disabling or isolating the vulnerable service until a fix is available is advisable. Avoid exposing the server directly to untrusted networks. Applying input sanitization or using alternative authentication mechanisms may be necessary once a patch or update is released. Using the proof-of-concept exploit to confirm vulnerability status can help prioritize mitigation. [1, 2]