Review reviewCritical

CVE-2025-56385

harmony

A SQL injection vulnerability exists in the login functionality of WellSky Harmony version 4.1.0.2.83 within the 'xmHarmony.asp' endpoint. User-supplied input to the 'TXTUSERID' parameter is not properly sanitized before being incorporated into a SQL query. Successful authentication may lead to authentication bypass, data leakage, or full system compromise of backend database contents.

CVSS: 9.8
EPSS: 0.41%
CISA KEV: Not listed
Published: 2025.11.13

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.41%

Technical severityCVSS 9.8

Vulnerability overview

Affected product and versions

Product: harmony
Affected versions: 4.1.0.2.83
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that harmony and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-89