CVE-2025-25181

What it actually does

CVE-2025-25181 is a remote SQL injection vulnerability in Advantive VeraCore through version 2025.1.0. The vulnerable endpoint is timeoutWarning.asp, where attacker-controlled input in the PmSess1 parameter is incorporated into SQL queries without sufficient validation, escaping, or parameterization. A remote attacker who can reach the web application can manipulate backend SQL statements, potentially reading or modifying database records, bypassing application logic, enumerating sensitive data, and, depending on database permissions and configuration, escalating to broader application or database server compromise.

Why it matters to the business

Successful exploitation can expose or alter business data managed by VeraCore, disrupt order-processing or warehouse-management workflows, undermine reporting integrity, and create regulatory or contractual risk if customer, order, inventory, or operational data is accessed. This vulnerability is listed in CISA KEV, has active exploitation observed in the wild, and had a federal remediation due date of 2025-03-31, so any remaining exposure should be treated as urgent even though it is not currently flagged by CISA as ransomware-associated. The relatively high EPSS score indicates meaningful likelihood of exploitation at internet scale.

How an attack unfolds

An attacker first identifies an exposed VeraCore instance and confirms that the timeoutWarning.asp endpoint is reachable. They then send crafted requests that place SQL control syntax in the PmSess1 parameter. If the application passes that parameter into a database query unsafely, the attacker can infer success from database errors, timing differences, altered application responses, or returned data. After confirming injection, the attacker typically enumerates database structure and privileges, extracts sensitive records, modifies data, creates or abuses application accounts where possible, and may attempt to use database features to execute operating-system commands or stage persistence if the database account is over-privileged. Because exploitation has been observed in the wild and the issue is in KEV, security teams should assume public exploit knowledge exists and prioritize forensic review for exposed deployments.

How to fix it

Upgrade Advantive VeraCore to a vendor-supported release that fixes the SQL injection affecting timeoutWarning.asp; deployments running VeraCore through 2025.1.0 should be considered vulnerable unless the vendor has confirmed a backported fix. If an immediate upgrade is not possible, restrict access to VeraCore to trusted networks or VPNs, block public access to timeoutWarning.asp where operationally feasible, deploy web application firewall rules that reject SQL injection patterns in the PmSess1 parameter, and reduce database account privileges used by the application to the minimum required. Review all customizations, integrations, and exposed legacy ASP endpoints for similar unsafe SQL query construction. Because this is a KEV-listed vulnerability with active exploitation, compensating controls should be treated as temporary only.

How to confirm the fix worked

Confirm the installed VeraCore version is later than 2025.1.0 or that the vendor-supplied fix for CVE-2025-25181 has been applied. Verify that timeoutWarning.asp no longer accepts PmSess1 input that changes SQL behavior by performing authorized testing in a controlled environment. Review web server logs to ensure the endpoint is not internet-exposed unnecessarily and confirm that WAF or reverse proxy rules block SQL injection metacharacters and keywords in PmSess1. Validate that the application database account cannot perform administrative database actions, access unrelated databases, write files, execute shell commands, or enable high-risk database extensions. After patching, retest with a qualified scanner or application security test and confirm no SQL syntax errors, timing anomalies, or data-bearing responses are produced by malformed PmSess1 values.

Typical attack path

1. Discover an internet-accessible Advantive VeraCore web application.
2. Send probing requests to timeoutWarning.asp with manipulated PmSess1 values to test for SQL injection behavior.
3. Use response differences, SQL error messages, or time delays to confirm database interaction.
4. Enumerate database type, schema, tables, and application data accessible to the VeraCore database account.
5. Extract sensitive operational, customer, order, inventory, or credential-related data.
6. Attempt data modification, authentication bypass, privilege escalation, or creation of unauthorized application access.
7. If database permissions allow, attempt to enable dangerous database functions or pivot toward the underlying server or adjacent systems.
8. Cover tracks by minimizing errors, deleting artifacts where possible, or blending requests into normal web traffic.

How to detect it

To determine whether exploitation already occurred, review IIS web logs, reverse proxy logs, WAF logs, VeraCore application logs, database audit logs, and endpoint telemetry from the web and database servers. Focus on requests to timeoutWarning.asp, especially those containing the PmSess1 parameter with SQL metacharacters, comment syntax, Boolean logic, UNION queries, timing functions, stacked-query separators, encoded payloads, or database-specific functions. Look for HTTP 500 responses, repeated probing from the same source, unusual response sizes, long response times, and bursts of requests against the same endpoint. In database logs, look for syntax errors, schema enumeration, access to system tables, anomalous SELECT volume, unauthorized UPDATE/INSERT/DELETE activity, creation of new users, permission changes, use of xp_cmdshell or equivalent dangerous functions, and attempts to write files or execute commands. If exploitation is suspected, preserve web logs, WAF events, database transaction logs, application logs, and relevant memory/disk artifacts before remediation where possible, then assess whether sensitive VeraCore-managed data was read, modified, or exported.

• timeoutWarning.asp
• PmSess1=
• /timeoutWarning.asp?PmSess1=
• GET /timeoutWarning.asp
• POST /timeoutWarning.asp
• PmSess1=%27
• PmSess1='
• PmSess1=%22
• PmSess1="
• PmSess1=*--
• PmSess1=%2D%2D
• PmSess1=*%23
• PmSess1=*/*
• UNION SELECT
• UNION%20SELECT
• WAITFOR DELAY
• WAITFOR%20DELAY
• SLEEP(
• BENCHMARK(
• @@version
• information_schema
• sys.objects
• sys.tables
• xp_cmdshell
• sp_configure
• OPENROWSET
• BULK INSERT
• Unclosed quotation mark after the character string
• Incorrect syntax near
• Microsoft OLE DB Provider for SQL Server
• ODBC SQL Server Driver
• SQL Server Native Client
• System.Data.SqlClient.SqlException

What your security team should do

• Immediately inventory all Advantive VeraCore deployments and determine whether any are running version 2025.1.0 or earlier.
• Treat internet-exposed vulnerable systems as high priority because the vulnerability is KEV-listed, actively exploited, and past the 2025-03-31 CISA due date.
• Patch or upgrade to a vendor-supported fixed release; if no fixed version is available to the team, obtain current remediation guidance directly from Advantive.
• Temporarily restrict VeraCore access to trusted source networks and place it behind VPN, identity-aware proxy, or equivalent access controls.
• Deploy WAF or reverse proxy rules focused on timeoutWarning.asp and the PmSess1 parameter while patching is underway.
• Hunt historical web, WAF, application, and database logs for suspicious requests to timeoutWarning.asp containing SQL syntax, database errors, timing functions, or bulk enumeration behavior.
• Review database access logs for unusual queries, large exports, schema enumeration, new accounts, permission changes, or use of high-risk functions.
• Rotate credentials and secrets accessible to VeraCore if exploitation is suspected or confirmed.
• Perform an incident response review for exposed systems, including data access assessment and integrity validation of business records.
• Monitor vendor advisories, CISA KEV updates, and threat intelligence for additional exploitation details or follow-on indicators.