aMSN (aka Alvaro's Messenger) 0.98.3 and earlier, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof an MSN server via an arbitrary certificate.
Conclusion & alert: CVE-2010-0744 is rated Moderate Risk (47.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.31%). 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 | 0.39% | 1.31% | +0.92% |
| 2 | 2025-03-30 | 0.73% | 0.39% | -0.34% |
| 3 | 2025-03-29 | — | 0.73% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.8 | 2.0 | MEDIUM |
|
8.6 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2010-0744 |
ubuntu
|
medium | CVE-2010-0744 medium priority: Ubuntu including 1 source packages (amsn), 14 status rows across 14 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, upstream): ignored 7, not-affected 5, DNE 1, released 1. | https://ubuntu.com/security/CVE-2010-0744 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| alvaro | alvaros_messenger | <= 0.98.3 | cpe:2.3:a:alvaro:alvaros_messenger:*:*:*:*:*:*:*:* |
| alvaro | alvaros_messenger | 0.83 | cpe:2.3:a:alvaro:alvaros_messenger:0.83:*:*:*:*:*:*:* |
| alvaro | alvaros_messenger | 0.90 | cpe:2.3:a:alvaro:alvaros_messenger:0.90:*:*:*:*:*:*:* |
| alvaro | alvaros_messenger | 0.91 | cpe:2.3:a:alvaro:alvaros_messenger:0.91:*:*:*:*:*:*:* |
| alvaro | alvaros_messenger | 0.92 | cpe:2.3:a:alvaro:alvaros_messenger:0.92:*:*:*:*:*:*:* |
| alvaro | alvaros_messenger | 0.93 | cpe:2.3:a:alvaro:alvaros_messenger:0.93:*:*:*:*:*:*:* |
| alvaro | alvaros_messenger | 0.94 | cpe:2.3:a:alvaro:alvaros_messenger:0.94:*:*:*:*:*:*:* |
| alvaro | alvaros_messenger | 0.95 | cpe:2.3:a:alvaro:alvaros_messenger:0.95:*:*:*:*:*:*:* |
| alvaro | alvaros_messenger | 0.96 | cpe:2.3:a:alvaro:alvaros_messenger:0.96:*:*:*:*:*:*:* |
| alvaro | alvaros_messenger | 0.97 | cpe:2.3:a:alvaro:alvaros_messenger:0.97:*:*:*:*:*:*:* |