MySQL Community Server before 5.0.45 allows remote attackers to cause a denial of service (daemon crash) via a malformed password packet in the connection protocol.
Conclusion & alert: CVE-2007-3780 is rated Moderate Risk (58.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 14.05%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +5.06% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 9.00% | 14.05% | +5.06% |
| 2 | 2026-03-03 | 8.53% | 9.00% | +0.46% |
| 3 | 2025-12-01 | — | 8.53% | — |
Full EPSS history (17 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 | priority | summary | link |
|---|---|---|---|
gentoo
|
normal | CVE-2007-3780: 1 GLSA(s) (200708-10), 1 atom(s) (dev-db/mysql); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-3780 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2007-3780 |
ubuntu
|
low | CVE-2007-3780 low priority: Ubuntu including 1 source packages (mysql-dfsg-5.0), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 4. | https://ubuntu.com/security/CVE-2007-3780 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mysql | community_server | <= 5.0.41 | cpe:2.3:a:mysql:community_server:*:*:*:*:*:*:*:* |