CVE-2025-52196
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-16

Last updated on: 2025-12-17

Assigner: MITRE

Description
Server-Side Request Forgery (SSRF) vulnerability in Ctera Portal 8.1.x (8.1.1417.24) allows remote attackers to induce the server to make arbitrary HTTP requests via a crafted HTML file containing an iframe.
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Meta Information
Published
2025-12-16
Last Modified
2025-12-17
Generated
2026-06-16
AI Q&A
2025-12-16
EPSS Evaluated
2026-06-15
NVD
CVE-2025-52196
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
ctera portal 8.1.1417.24
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
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Executive Summary

CVE-2025-52196 is a Server-Side Request Forgery (SSRF) vulnerability in CTERA Portal 8.1.x. It occurs when an attacker uploads a crafted HTML file containing a malicious iframe with a specially crafted URL. When this file is previewed using the portal's document preview feature, the backend server processes the HTML and makes arbitrary HTTP requests embedded in the iframe. This allows the attacker to manipulate the server into making requests to internal backend nodes or external internet locations, potentially disclosing information and bypassing server-side controls. [1]

Impact Analysis

This vulnerability can impact you by allowing an attacker to induce the server to make arbitrary HTTP requests to internal or external resources. This can lead to information disclosure, as the attacker can view the server's responses to these requests within the file preview. It also allows bypassing server-side controls, potentially exposing sensitive internal APIs, storage servers, or other protected resources. [1]

Detection Guidance

Detection of this SSRF vulnerability involves monitoring for uploads of HTML files containing iframes with suspicious or crafted URLs, especially those previewed in the CTERA Portal document preview feature. Network monitoring can focus on unusual outbound HTTP requests initiated by the server to internal or external locations triggered by such previews. Specific commands are not provided in the resources. [1]

Mitigation Strategies

Immediate mitigation steps include preventing the upload or preview of HTML files containing iframes in the CTERA Portal, disabling or restricting the document preview feature that processes HTML content, and implementing strict input validation and filtering to block malicious iframe content. Contacting the site administrator or support may be necessary if access is blocked due to security filters. [1, 2]

Compliance Impact

The provided resources do not specify how this SSRF vulnerability in CTERA Portal affects compliance with common standards and regulations such as GDPR or HIPAA.

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