Asterisk Open Source 1.2.x before 1.2.26 and 1.4.x before 1.4.16, and Business Edition B.x.x before B.2.3.6 and C.x.x before C.1.0-beta8, when using database-based registrations ("realtime") and host-based authentication, does not check the IP address when the username is correct and there is no password, which allows remote attackers to bypass authentication using a valid username.
Conclusion & alert: CVE-2007-6430 is rated Moderate Risk (45.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.95%). Core evidence: EPSS rose +1.29% over the last day, indicating growing attacker interest. 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 | 0.66% | 1.95% | +1.29% |
| 2 | 2026-03-06 | 0.62% | 0.66% | +0.04% |
| 3 | 2026-01-14 | — | 0.62% | — |
Full EPSS history (21 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2007-6430 low priority: Debian including 1 source packages (asterisk), 3 status rows across 3 suites (bullseye, forky, sid): resolved 3. | https://security-tracker.debian.org/tracker/CVE-2007-6430 |
gentoo
|
normal | CVE-2007-6430: 1 GLSA(s) (200804-13), 1 atom(s) (net-misc/asterisk); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-6430 |
ubuntu
|
medium | CVE-2007-6430 medium priority: Ubuntu including 1 source packages (asterisk), 9 status rows across 9 suites (dapper, edgy, feisty, gutsy, hardy, intrepid, jaunty, karmic, upstream): released 5, ignored 4. | https://ubuntu.com/security/CVE-2007-6430 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| asterisk | asterisk_business_edition | b.1.3.2 | cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.2:*:*:*:*:*:*:* |
| asterisk | asterisk_business_edition | b.1.3.3 | cpe:2.3:a:asterisk:asterisk_business_edition:b.1.3.3:*:*:*:*:*:*:* |
| asterisk | asterisk_business_edition | b.2.2.0 | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.0:*:*:*:*:*:*:* |
| asterisk | asterisk_business_edition | b.2.2.1 | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.2.1:*:*:*:*:*:*:* |
| asterisk | asterisk_business_edition | b.2.3.1 | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.1:*:*:*:*:*:*:* |
| asterisk | asterisk_business_edition | b.2.3.2 | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.2:*:*:*:*:*:*:* |
| asterisk | asterisk_business_edition | b.2.3.3 | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.3:*:*:*:*:*:*:* |
| asterisk | asterisk_business_edition | b.2.3.4 | cpe:2.3:a:asterisk:asterisk_business_edition:b.2.3.4:*:*:*:*:*:*:* |
| asterisk | asterisk_business_edition | c.1.0beta7 | cpe:2.3:a:asterisk:asterisk_business_edition:c.1.0beta7:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.0beta1 | cpe:2.3:a:asterisk:open_source:1.2.0beta1:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.0beta2 | cpe:2.3:a:asterisk:open_source:1.2.0beta2:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.5 | cpe:2.3:a:asterisk:open_source:1.2.5:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.6 | cpe:2.3:a:asterisk:open_source:1.2.6:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.7 | cpe:2.3:a:asterisk:open_source:1.2.7:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.8 | cpe:2.3:a:asterisk:open_source:1.2.8:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.9 | cpe:2.3:a:asterisk:open_source:1.2.9:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.10 | cpe:2.3:a:asterisk:open_source:1.2.10:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.11 | cpe:2.3:a:asterisk:open_source:1.2.11:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.13 | cpe:2.3:a:asterisk:open_source:1.2.13:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.14 | cpe:2.3:a:asterisk:open_source:1.2.14:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.15 | cpe:2.3:a:asterisk:open_source:1.2.15:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.16 | cpe:2.3:a:asterisk:open_source:1.2.16:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.17 | cpe:2.3:a:asterisk:open_source:1.2.17:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.18 | cpe:2.3:a:asterisk:open_source:1.2.18:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.19 | cpe:2.3:a:asterisk:open_source:1.2.19:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.21 | cpe:2.3:a:asterisk:open_source:1.2.21:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.22 | cpe:2.3:a:asterisk:open_source:1.2.22:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.23 | cpe:2.3:a:asterisk:open_source:1.2.23:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.24 | cpe:2.3:a:asterisk:open_source:1.2.24:*:*:*:*:*:*:* |
| asterisk | open_source | 1.2.25 | cpe:2.3:a:asterisk:open_source:1.2.25:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.1 | cpe:2.3:a:asterisk:open_source:1.4.1:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.2 | cpe:2.3:a:asterisk:open_source:1.4.2:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.3 | cpe:2.3:a:asterisk:open_source:1.4.3:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.4 | cpe:2.3:a:asterisk:open_source:1.4.4:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.5 | cpe:2.3:a:asterisk:open_source:1.4.5:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.6 | cpe:2.3:a:asterisk:open_source:1.4.6:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.7 | cpe:2.3:a:asterisk:open_source:1.4.7:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.8 | cpe:2.3:a:asterisk:open_source:1.4.8:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.9 | cpe:2.3:a:asterisk:open_source:1.4.9:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.10 | cpe:2.3:a:asterisk:open_source:1.4.10:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.11 | cpe:2.3:a:asterisk:open_source:1.4.11:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.12 | cpe:2.3:a:asterisk:open_source:1.4.12:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.13 | cpe:2.3:a:asterisk:open_source:1.4.13:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.14 | cpe:2.3:a:asterisk:open_source:1.4.14:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4.15 | cpe:2.3:a:asterisk:open_source:1.4.15:*:*:*:*:*:*:* |
| asterisk | open_source | 1.4beta | cpe:2.3:a:asterisk:open_source:1.4beta:*:*:*:*:*:*:* |