CVE-2006-4580

register.php in The Address Book 1.04e allows remote attackers to bypass the "Allow User Self-Registration" setting and create arbitrary users by setting the mode parameter to "confirm".

Published: 2006-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

NVD Status：Modified，CVE State: published

View at NVD, CVE.org, EUVD

Conclusion & alert: CVE-2006-4580 is rated Moderate Risk (55.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.40%). Core evidence: EPSS rose +1.04% 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.

Exploit prediction scoring system (EPSS) score for CVE-2006-4580

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	0.35%	1.40%	+1.04%
2	2025-03-20	0.33%	0.35%	+0.02%
3	2025-03-17	—	0.33%	—

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4580

CVSS metrics for this CVE.

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.5	2.0	HIGH	`AV:N/AC:L/Au:N/C:P/I:P/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:L) Exploitation conditions are straightforward and predictable. Authentication (AU:N) No authentication is required. Confidentiality impact (C:P) Partial confidentiality impact. Integrity impact (I:P) Partial integrity impact. Availability impact (A:P) Partial availability impact.	10.0	6.4	[email protected]

Weakness enumeration for CVE-2006-4580

OS Trackers for CVE-2006-4580

vendor	priority	summary	link
`alpine`	—	CVE-2006-4580: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0.	https://security.alpinelinux.org/vuln/CVE-2006-4580

Affected software / configurations for CVE-2006-4580

Vendor	Product	Version	Raw CPE
the_address_book	the_address_book	1.04e	cpe:2.3:a:the_address_book:the_address_book:1.04e:::::::*

References for CVE-2006-4580

URL	Tags
http://osvdb.org/32561
http://secunia.com/advisories/21694	Vendor Advisory
http://secunia.com/secunia_research/2006-76/advisory/	Vendor Advisory
http://www.securityfocus.com/bid/21870
https://exchange.xforce.ibmcloud.com/vulnerabilities/31249

cvelogic Threat Intelligence