Axway Secure Messenger before 6.5 Updated Release 7, as used in Axway Email Firewall, provides different responses to authentication requests depending on whether the user exists, which allows remote attackers to enumerate users via a series of requests.
Conclusion & alert: CVE-2012-6452 is rated Low Risk (38.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.35%). 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 | 2025-03-30 | 0.41% | 0.35% | -0.07% |
| 2 | 2025-03-29 | 0.33% | 0.41% | +0.08% |
| 3 | 2023-03-07 | — | 0.33% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| axway | email_firewall | — | cpe:2.3:a:axway:email_firewall:-:*:*:*:*:*:*:* |
| axway | secure_messenger | <= 6.5.0 | cpe:2.3:a:axway:secure_messenger:*:*:*:*:*:*:*:* |
| axway | secure_messenger | 6.3.2 | cpe:2.3:a:axway:secure_messenger:6.3.2:*:*:*:*:*:*:* |