ZoneAlarm Firewall and Antivirus products before version 15.8.109.18436 allow an attacker who already has access to the system to execute code at elevated privileges through a combination of file permission manipulation and exploitation of Windows CVE-2020-00896 on unpatched systems.
Conclusion & alert: CVE-2020-6013 is rated Moderate Risk (60.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.55%). Mandatory action: Review affected assets and schedule remediation.
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 | 2026-06-15 | 0.94% | 1.55% | +0.62% |
| 2 | 2025-03-30 | 1.34% | 0.94% | -0.41% |
| 3 | 2025-03-29 | — | 1.34% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.5 | 2.0 | MEDIUM |
|
8.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| checkpoint | zonealarm_extreme_security | < 15.8.109.18436 | cpe:2.3:a:checkpoint:zonealarm_extreme_security:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.zonealarm.com/software/extreme-security/release-history | Release Notes Vendor Advisory |