The Application Firewall Pack (AFP, aka Web Application Firewall) component on Kemp Load Balancer devices with software before 7.2.40.1 allows a Security Feature Bypass via an HTTP POST request.
Conclusion & alert: CVE-2017-15524 is rated High Exploit Risk (75/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.22%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2026-06-15 | 0.30% | 1.22% | +0.93% |
| 2 | 2025-03-30 | 0.57% | 0.30% | -0.28% |
| 3 | 2025-03-29 | — | 0.57% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.1 | 3.0 | CRITICAL |
|
3.9 | 5.2 | [email protected] |
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| kemptechnologies | web_application_firewall | <= 7.2.40 | cpe:2.3:a:kemptechnologies:web_application_firewall:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/archive/1/541602/100/0/threaded | |
| https://kemptechnologies.com/files/assets/documentation/7.2/release-notes/Release_Notes-LoadMaster.pdf?pdf-file-view=1 | Issue Tracking Release Notes Vendor Advisory |
| https://www.pallas.com/advisories/cve_2017_15524_kemp_afp_waf_bug_on_post_data | Exploit Issue Tracking Third Party Advisory |