Is CVE-2007-6430 in the CISA KEV catalog?

No. CVE-2007-6430 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2007-6430?

CVE-2007-6430 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2007-6430?

CVE-2007-6430 has an EPSS score of 1.95% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2007-6430?

Upgrade asterisk on debian 11 to 1:1.4.16.2~dfsg-1 or later.

CVE & CISA-KEV Catalog

CVE-2007-6430

MEDIUMEPSS 78th pctl

4.3

CVSS v2

NVD

Description

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.

CWE-287Improper Authentication

How to fix

Remediation Available

asteriskDebian

Fixed in:1:1.4.16.2~dfsg-1CVE-2007-6430

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.95%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Vendor Advisory2

Other references13

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.