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Vulnerabilities

Vulnerability · CVE-2015-20128

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

Published Oct 20, 2026 · catalog updated Oct 22, 2026 · FooSun DotNetCMS

Patch now

CVE-2015-20128 is in the CISA known-exploited catalog. Confirm FooSun DotNetCMS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High8.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.27%
Remediation
Remediation guidance
Affected products
vendor FooSun DotNetCMS

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor FooSun DotNetCMSversion unspecified

How to fix CVE-2015-20128

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2015-20128 is in the CISA known-exploited catalog. Confirm FooSun DotNetCMS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

CWE-89: SQL Injection. EPSS 0.27%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 20, 2026 · VulnCheck KEV

    Detected

    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 Shadowserv

  2. Oct 20, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  3. Oct 22, 2026 · NIST NVD

    Updated

    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 Shadowserv

Sources

  • CVE.orgVulnerability recordCVE-2015-20128

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2015-20128

    30-day exploitation probability 0.27%

    first.org
  • NIST NVDVulnerability recordCVE-2015-20128

    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 unsaniti

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2015-20128

    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 unsaniti

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.