CVE-2025-13769: Uniong WebITR SQL Injection Vulnerability

CVE-2025-13769 Overview

CVE-2025-13769 is a SQL injection vulnerability [CWE-89] in Uniong WebITR, a web-based attendance and time-tracking application. Authenticated remote attackers can inject arbitrary SQL commands into vulnerable request parameters and read arbitrary contents from the backend database. The flaw was published to the National Vulnerability Database (NVD) on November 28, 2025, and coordinated through TWCERT. Because WebITR typically stores employee attendance, personal identifiers, and organizational data, successful exploitation results in confidentiality loss for sensitive human resources records.

Critical Impact
Authenticated attackers can extract arbitrary database contents from WebITR, including employee records and other sensitive HR data stored by the application.

Affected Products

Uniong WebITR (web-based attendance and time-tracking product)
CPE: cpe:2.3:a:uniong:webitr:*:*:*:*:*:*:*:*
Deployments coordinated through TWCERT advisories

Discovery Timeline

2025-11-28 - CVE-2025-13769 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-13769

Vulnerability Analysis

The vulnerability is a classic SQL injection flaw classified under [CWE-89], improper neutralization of special elements used in an SQL command. An authenticated user submits crafted input to a WebITR request parameter that is concatenated into a backend SQL statement without proper parameterization. The database engine then executes attacker-supplied SQL fragments as part of the intended query.

Exploitation requires valid application credentials but no elevated privileges. Because WebITR is delivered as a web application, the attack is reachable over the network with a standard HTTP client. According to the vendor description, the impact is limited to reading database contents; write or destructive operations are not confirmed by the advisory.

Root Cause

The root cause is unsanitized user input reaching a dynamically constructed SQL query. WebITR passes request parameters directly into the SQL layer instead of using prepared statements or parameterized queries. Any string containing SQL metacharacters, such as single quotes, comments, or UNION clauses, alters the query structure at runtime.

Attack Vector

An attacker first authenticates to WebITR using valid credentials, which may be legitimate employee accounts, compromised credentials, or accounts obtained through phishing. The attacker then submits crafted parameter values to a vulnerable endpoint. Typical techniques include boolean-based blind injection, error-based extraction, and UNION SELECT payloads that append attacker-controlled columns to legitimate query results. Refer to the TWCERT Security Advisory for vendor-published technical details.

No public proof-of-concept, exploit, or CISA Known Exploited Vulnerabilities listing is associated with this CVE at the time of publication.

Detection Methods for CVE-2025-13769

Indicators of Compromise

HTTP requests to WebITR endpoints containing SQL metacharacters such as ', --, /*, UNION, SELECT, SLEEP(, or BENCHMARK( in parameter values.
Repeated authenticated requests from a single session producing anomalous response sizes or timing, consistent with blind SQL injection probing.
Database error strings returned in HTTP responses, such as ODBC, MySQL, or MSSQL syntax errors.
Unusually large result sets or unexpected column data returned from WebITR endpoints that normally return small, structured payloads.

Detection Strategies

Enable web application firewall (WAF) rules that detect SQL injection payload patterns targeting WebITR request paths.
Correlate authentication logs with request logs to identify sessions issuing high volumes of parameter-tampering requests.
Enable database audit logging and alert on queries that reference system tables such as information_schema, sys.tables, or sysobjects originating from the WebITR service account.
Baseline typical WebITR query patterns and alert on outliers in query length, cardinality, or table access.

Monitoring Recommendations

Forward WebITR web server, application, and database logs to a central analytics platform for correlation and retention.
Monitor for successful logins followed by rapid, parameter-heavy request bursts against the same endpoint.
Track outbound data volumes from WebITR application servers to identify potential bulk exfiltration of query results.

How to Mitigate CVE-2025-13769

Immediate Actions Required

Contact Uniong or a local reseller to obtain the patched WebITR release referenced in the TWCERT advisory and schedule deployment.
Restrict WebITR access to trusted networks or place it behind a VPN until the fix is applied.
Rotate credentials for any WebITR accounts suspected of compromise and enforce multi-factor authentication where supported.
Review database and application logs for evidence of prior SQL injection activity dating back to before the disclosure.

Patch Information

Uniong has coordinated remediation guidance through TWCERT. Administrators should consult the TWCERT Security Advisory and the TWCERT Security Incident Report for the fixed version and upgrade instructions. Apply the vendor-supplied update to every WebITR instance in the environment.

Workarounds

Deploy WAF signatures that block SQL injection payloads on all WebITR request parameters until patching is complete.
Enforce least privilege on the database account used by WebITR so that a compromised query cannot access tables outside the application schema.
Disable or restrict low-trust WebITR user roles that are not required for daily operations to reduce the authenticated attack surface.
Enable database-level query logging and rate limiting to constrain automated extraction attempts.

bash

# Example: restrict WebITR database account to read-only access on the application schema
REVOKE ALL PRIVILEGES ON *.* FROM 'webitr_app'@'%';
GRANT SELECT, INSERT, UPDATE, DELETE ON webitr.* TO 'webitr_app'@'%';
FLUSH PRIVILEGES;