Risk Letters

Exploited vulnerability

CVE-2015-20128

TLP:CLEAR

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

FooSun DotNetCMS 1.0 and 2.0 contains an SQL injection vulnerability that allows unauthenticated attackers to manipulate MSSQL queries through the CityId parameter. Attackers can send GET requests to /user/City_ajax.aspx with UNION SELECT payloads in CityId, concatenated unsanitized into the sys_City query, to extract database information. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14.

Facts

  • Vendor: FooSun
  • Product: DotNetCMS
  • EPSS (probability of exploitation within 30 days): 0.3 %
  • First known exploitation: 20 October 2026
  • First seen by Risk Letters: 20 October 2026

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD