CVE-2026-2621
HIGHCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
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2Tags
Description
A security vulnerability has been detected in Sciyon Koyuan Thermoelectricity Heat Network Management System 3.0. This affects an unknown part of the file /SISReport/WebReport20/Proxy/AsyncTreeProxy.aspx. The manipulation of the argument PGUID leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Analysis
SQL injection in Sciyon Koyuan Thermoelectricity Heat Network Management System 3.0 via the PGUID parameter in AsyncTreeProxy.aspx allows unauthenticated remote attackers to read, modify, and delete database contents. Public exploit code exists for this vulnerability and no patch is currently available from the vendor.
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Remediation
Within 24 hours: Identify all systems running Sciyon Koyuan version 3.0 and assess network exposure of the affected AsyncTreeProxy.aspx endpoint. Within 7 days: Implement network segmentation to restrict access to the /SISReport/WebReport20/Proxy/ path and deploy WAF rules to monitor/block suspicious requests to this endpoint. …
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