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VulnerabilityPublished

CVE-2025-41028: Grupo Castilla Epsilon RH · SQL Injection

Affects Grupo Castilla Epsilon RHSource CVE Database V5

0

Not known to be exploited · CVSS 9.3 Critical.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 4.0 base score
9.3Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Grupo Castilla Epsilon RHAffected
  • =3.03.36.010
Fixed in–

AI-suggested

  1. Immediate application of vendor patches once available is the most effective mitigation. Monitor Grupo Castilla advisories for updates.
  2. Until patches are released, implement strict input validation on the 'sEstadoUsr' parameter to reject or sanitize any SQL control characters or suspicious payloads.
  3. Deploy Web Application Firewalls (WAFs) with custom rules to detect and block SQL injection attempts targeting the /epsilonnetws/WSAvisos.asmx endpoint.
  4. Restrict network access to the vulnerable endpoint by limiting exposure to trusted internal networks or VPNs only.
  5. Conduct thorough security audits and penetration testing focused on web services and API endpoints to identify similar injection flaws.
  6. Monitor logs for unusual POST requests or database errors indicative of exploitation attempts.
  7. Educate development and security teams on secure coding practices to prevent SQL injection vulnerabilities in future releases.
  8. Consider database-level protections such as least privilege for application accounts and query parameterization to reduce impact if exploitation occurs.

Description

CVE-2025-41028 is a critical SQL Injection vulnerability in Grupo Castilla's Epsilon RH version 3.03.36.010. It allows unauthenticated attackers to manipulate the database by sending crafted POST requests to the /epsilonnetws/WSAvisos.asmx endpoint using the 'sEstadoUsr' parameter. Exploitation can lead to full database compromise including data retrieval, creation, modification, and deletion without any user interaction or privileges. The vulnerability has a CVSS 4.0 score of 9.3, reflecting its high impact and ease of exploitation.

References

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