Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Apache VCL. Users can modify form data submitted when requesting a new Block Allocation such that a SELECT SQL statement is modified. The data returned by the SELECT statement is not viewable by the attacker. This issue affects all versions of Apache VCL from 2.2 through 2.5.1. Users are recommended to upgrade to version 2.5.2, which fixes the issue.
Conclusion & alert: CVE-2024-53678 is rated Low Risk (27.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.06%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-05 | 0.05% | 0.06% | +0.02% |
| 2 | 2026-05-02 | 0.06% | 0.05% | -0.01% |
| 3 | 2025-12-09 | — | 0.06% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.1 | 4.0 | MEDIUM |
|
— | — | [email protected] |
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/2bmjnzgjwwq59nv6xw44w0tnpz4k4pf4 | Issue Tracking Mailing List Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2025/03/24/1 | Mailing List Third Party Advisory |